appveyor.yml: drop unnecessary 1.0. prefix

from version.

Also I fixed the wrong way of using `for:`.
Specifying `for` without `matrix.only` was just useless.
This fix is for adding MinGW matrix in the future.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64342 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

appveyor.yml

@@ -1,5 +1,9 @@
 ---
+version: '{build}'
 shallow_clone: true
+branches:
+  only:
+    - trunk
 platform:
   - x64
 environment:
@@ -7,6 +11,43 @@ environment:
   zlib_version: "1.2.11"
   matrix:
     - vs: "120"
+matrix:
+  fast_finish: true
+notifications:
+  - provider: Webhook
+    url:
+      secure: iMINHMS0nZabaDsxN9omRDsekxzVvAAzEq5ev7lN6vZ6r9zNhl3/F/7POIVyahAwVFpRDeQT/iUugpAGWmOt3eGL/lZIdqiJFZ9DjPSkP68= # #alerts
+    method: POST
+    # "icon_url" is the url used by `provider: Slack`
+    body: >-
+      {{^isPullRequest}}
+        {
+          "attachments": [
+            {
+              "title": "Build {{projectName}} {{buildVersion}} {{status}}",
+              "fallback": "AppVeyor Build {{projectName}} {{buildVersion}} {{status}}",
+              "title_link": "{{buildUrl}}",
+              "text": "Commit <{{commitUrl}}|{{commitId}}> by {{commitAuthor}} on {{commitDate}}: _{{commitMessage}}_",
+              {{#passed}}
+                "color": "#44ee44"
+              {{/passed}}
+              {{#failed}}
+                "color": "#ee4444"
+              {{/failed}}
+            }
+          ],
+          "icon_url": "https://slack-files2.s3-us-west-2.amazonaws.com/bot_icons/2018-02-10/314363543719_48.png",
+          "username": "AppVeyor CI"
+        }
+      {{/isPullRequest}}
+    on_build_success: false
+    on_build_failure: true
+    on_build_status_changed: true
+for:
+-
+  matrix:
+    only:
+      - vs: "120"
   install:
     - ver
     - chcp
@@ -52,40 +93,3 @@ test_script:
     - nmake -l "TESTOPTS=-v -q" test-basic
     - nmake -l "TESTOPTS=-q -j%JOBS%" test-all RUBY_FORCE_TEST_JIT=1
     - nmake -l test-spec
-matrix:
-  fast_finish: true
-for:
--
-  branches:
-    only:
-      - trunk
-  notifications:
-    - provider: Webhook
-      url:
-        secure: iMINHMS0nZabaDsxN9omRDsekxzVvAAzEq5ev7lN6vZ6r9zNhl3/F/7POIVyahAwVFpRDeQT/iUugpAGWmOt3eGL/lZIdqiJFZ9DjPSkP68= # #alerts
-      method: POST
-      # "icon_url" is the url used by `provider: Slack`
-      body: >-
-        {{^isPullRequest}}
-          {
-            "attachments": [
-              {
-                "title": "Build {{projectName}} {{buildVersion}} {{status}}",
-                "fallback": "AppVeyor Build {{projectName}} {{buildVersion}} {{status}}",
-                "title_link": "{{buildUrl}}",
-                "text": "Commit <{{commitUrl}}|{{commitId}}> by {{commitAuthor}} on {{commitDate}}: _{{commitMessage}}_",
-                {{#passed}}
-                  "color": "#44ee44"
-                {{/passed}}
-                {{#failed}}
-                  "color": "#ee4444"
-                {{/failed}}
-              }
-            ],
-            "icon_url": "https://slack-files2.s3-us-west-2.amazonaws.com/bot_icons/2018-02-10/314363543719_48.png",
-            "username": "AppVeyor CI"
-          }
-        {{/isPullRequest}}
-      on_build_success: false
-      on_build_failure: true
-      on_build_status_changed: true