Appveyor: Move ruby-head to the front

... to get faster results

Author: larskanis

appveyor.yml

@@ -82,19 +82,19 @@ environment:
   DEPLOY_TOKEN:
     secure: HIQ7Ovn+zMKskPWhnlYGvQMvdLPlZB5lhn62wzw0AUSno8UfntuTgFmPvS1pUwOW
   matrix:
-    - target_ruby: "2.4.3"
+    - target_ruby: "head"
       arch: "x64"
-      build_ruby: "23"
+      build_ruby: "24"
       MINGW_PACKAGE_PREFIX: "mingw-w64-x86_64"
       MSYSTEM: "MINGW64"
-      run_ruby_spec: true
+      run_mri_spec: trunk
 
-    - target_ruby: "head"
+    - target_ruby: "2.4.3"
       arch: "x64"
-      build_ruby: "24"
+      build_ruby: "23"
       MINGW_PACKAGE_PREFIX: "mingw-w64-x86_64"
       MSYSTEM: "MINGW64"
-      run_mri_spec: trunk
+      run_ruby_spec: true
 
     - target_ruby: "2.5.0.rc1"
       arch: "x64"
@@ -103,19 +103,19 @@ environment:
       MSYSTEM: "MINGW64"
       run_mri_spec: v2_5_0_rc1
 
-    - target_ruby: "2.4.3"
+    - target_ruby: "head"
       arch: "x86"
-      build_ruby: "22"
+      build_ruby: "24"
       MINGW_PACKAGE_PREFIX: "mingw-w64-i686"
       MSYSTEM: "MINGW32"
-      run_ruby_spec: true
+      run_mri_spec: trunk
 
-    - target_ruby: "head"
+    - target_ruby: "2.4.3"
       arch: "x86"
-      build_ruby: "24"
+      build_ruby: "22"
       MINGW_PACKAGE_PREFIX: "mingw-w64-i686"
       MSYSTEM: "MINGW32"
-      run_mri_spec: trunk
+      run_ruby_spec: true
 
     - target_ruby: "2.5.0.rc1"
       arch: "x86"