Fix GCC -Wextra-semi warnings with Q* macros

Namely, Q_ENUM, Q_DECLAR_FLAGS, Q_FLAG, Q_DECLARE_EQUALITY_COMPARABLE.

The sanitize-commit (from qtrepotools repo) git hook already warns about
these.

Pick-to: 6.8
Change-Id: If53f446c7c19856c4a5be1e0b0156e1892871dae
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
(cherry picked from commit 8d3601dfe8e6a89cbf0ab0ff8089e232f52c21d2)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

src/gui/kernel/qkeysequence.h

@@ -136,7 +136,7 @@ public:
         PartialMatch,
         ExactMatch
     };
-    Q_ENUM(SequenceMatch);
+    Q_ENUM(SequenceMatch)
 
     QString toString(SequenceFormat format = PortableText) const;
     static QKeySequence fromString(const QString &str, SequenceFormat format = PortableText);

src/gui/kernel/qplatformdialoghelper.h

@@ -408,8 +408,8 @@ public:
     enum class Option {
         DontUseNativeDialog = 0x00000001,
     };
-    Q_DECLARE_FLAGS(Options, Option);
+    Q_DECLARE_FLAGS(Options, Option)
-    Q_FLAG(Options);
+    Q_FLAG(Options)
 
     // Keep in sync with QMessageBox::Icon
     enum StandardIcon { NoIcon, Information, Warning, Critical, Question };

src/gui/kernel/qplatformgraphicsbuffer.h

@@ -35,14 +35,14 @@ public:
         TextureAccess       = 0x04,
         HWCompositor        = 0x08
     };
-    Q_ENUM(AccessType);
+    Q_ENUM(AccessType)
-    Q_DECLARE_FLAGS(AccessTypes, AccessType);
+    Q_DECLARE_FLAGS(AccessTypes, AccessType)
 
     enum Origin {
         OriginBottomLeft,
         OriginTopLeft
     };
-    Q_ENUM(Origin);
+    Q_ENUM(Origin)
 
     ~QPlatformGraphicsBuffer();
 

src/gui/kernel/qplatformtheme.h

@@ -108,7 +108,7 @@ public:
         FontDialog,
         MessageDialog
     };
-    Q_ENUM(DialogType);
+    Q_ENUM(DialogType)
 
     enum Palette {
         SystemPalette,

src/gui/painting/qcolormatrix_p.h

@@ -175,7 +175,7 @@ public:
         return QColorVector(xr, yr, zr);
     }
     friend inline bool comparesEqual(const QColorVector &lhs, const QColorVector &rhs) noexcept;
-    Q_DECLARE_EQUALITY_COMPARABLE(QColorVector);
+    Q_DECLARE_EQUALITY_COMPARABLE(QColorVector)
 
 private:
     static float fastCbrt(float x)
@@ -343,7 +343,7 @@ public:
                               { 0.125092f, 0.0456238f, 0.797134f   } };
     }
     friend inline bool comparesEqual(const QColorMatrix &lhs, const QColorMatrix &rhs) noexcept;
-    Q_DECLARE_EQUALITY_COMPARABLE(QColorMatrix);
+    Q_DECLARE_EQUALITY_COMPARABLE(QColorMatrix)
 };
 
 inline bool comparesEqual(const QColorMatrix &m1, const QColorMatrix &m2) noexcept

src/gui/painting/qcolortrc_p.h

@@ -115,7 +115,7 @@ public:
     Type m_type;
 
     friend inline bool comparesEqual(const QColorTrc &lhs, const QColorTrc &rhs);
-    Q_DECLARE_EQUALITY_COMPARABLE_NON_NOEXCEPT(QColorTrc);
+    Q_DECLARE_EQUALITY_COMPARABLE_NON_NOEXCEPT(QColorTrc)
 
     QColorTransferFunction m_fun;
     QColorTransferTable m_table;

src/plugins/networkinformation/networkmanager/qnetworkmanagerservice.h

@@ -72,7 +72,7 @@ public:
         NM_STATE_CONNECTED_SITE = 60,
         NM_STATE_CONNECTED_GLOBAL = 70
     };
-    Q_ENUM(NMState);
+    Q_ENUM(NMState)
     // Matches 'NMConnectivityState' from
     // https://developer.gnome.org/NetworkManager/stable/nm-dbus-types.html#NMConnectivityState
     enum NMConnectivityState {
@@ -82,7 +82,7 @@ public:
         NM_CONNECTIVITY_LIMITED = 3,
         NM_CONNECTIVITY_FULL = 4,
     };
-    Q_ENUM(NMConnectivityState);
+    Q_ENUM(NMConnectivityState)
     // Matches 'NMDeviceType' from
     // https://developer-old.gnome.org/NetworkManager/stable/nm-dbus-types.html#NMDeviceType
     enum NMDeviceType {

src/testlib/qtestlog_p.h

@@ -47,7 +47,7 @@ public:
         , XCTest
 #endif
     };
-    Q_ENUM(LogMode);
+    Q_ENUM(LogMode)
 
     static void enterTestFunction(const char* function);
     static void leaveTestFunction();