use spaces instead of tabs for appveyor.yml

appveyor.yml

@@ -1,50 +1,56 @@
+version: 1.0.{build}
+
+branches:
+    only:
+        -master
+        
+os: Windows Server 2012
+
 environment:
-	matrix:
-		- DSN_VS: "Visual Studio 12 2013 Win64"
-		  DSN_BOOST_INC: "${env:APPVEYOR_BUILD_FOLDER}/boost_1_57_0"
-		  DSN_BOOST_LIB: "${env:APPVEYOR_BUILD_FOLDER}/boost_1_57_0/lib64-msvc-12.0"
-		  DSN_BOOST_PKG: "https://github.com/imzhenyu/packages/blob/master/windows/boost_1_57_0.7z"
-		  DSN_CMAKE_BUILD_TYPE: "RelWithDebInfo"
-		- DSN_VS: "Visual Studio 12 2013 Win64"
-		  DSN_BOOST_INC: "${env:APPVEYOR_BUILD_FOLDER}/boost_1_57_0"
-		  DSN_BOOST_LIB: "${env:APPVEYOR_BUILD_FOLDER}/boost_1_57_0/lib64-msvc-12.0"
-		  DSN_BOOST_PKG: "https://github.com/imzhenyu/packages/blob/master/windows/boost_1_57_0.7z"
-		  DSN_CMAKE_BUILD_TYPE: "Debug"
+    global:
+        DSN_VS: "Visual Studio 12 2013 Win64"
+        DSN_BOOST_INC: "${env:APPVEYOR_BUILD_FOLDER}/boost_1_57_0"
+        DSN_BOOST_LIB: "${env:APPVEYOR_BUILD_FOLDER}/boost_1_57_0/lib64-msvc-12.0"
+        DSN_BOOST_PKG: "https://github.com/imzhenyu/packages/blob/master/windows/boost_1_57_0.7z"
+          
+    matrix:
+        - DSN_CMAKE_BUILD_TYPE: RelWithDebInfo
+        - DSN_CMAKE_BUILD_TYPE: Debug
 
 install:
-	- ps: >-
-		git submodule update --init
+    - ps: >-
+        git submodule update --init
 
-		$env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine")
+        $env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine")
 
-    	if (!(Test-Path boost.7z)) {
+        if (!(Test-Path boost.7z)) {
 
-			echo "Downloading boost binaries from ${env:DSN_BOOST_PKG} ..."
+            echo "Downloading boost binaries from ${env:DSN_BOOST_PKG} ..."
 
-			Start-FileDownload "${env:DSN_BOOST_PKG} -FileName boost.7z -Timeout 1200000
-		}
+            Start-FileDownload "${env:DSN_BOOST_PKG} -FileName boost.7z -Timeout 1200000
+        }
 
-		echo "Extracting boost libs ..."
+        echo "Extracting boost libs ..."
 
-		7z x boost.7z -y -o"${env:APPVEYOR_BUILD_FOLDER}" > $null
+        7z x boost.7z -y -o"${env:APPVEYOR_BUILD_FOLDER}" > $null
 
 cache:
-	- boost.7z
-	- boost.exe
+    - boost.7z
+    - boost.exe
 
 before_build:
-	- ps: >-
-		mkdir build
+    - ps: >-
+        mkdir build
 
-		cd .\build
+        cd .\build
 
-		cmake .. -DBOOST_INCLUDEDIR="${env:DSN_BOOST_INC}" -DBOOST_LIBRARYDIR="${env:DSN_BOOST_LIB}" -G $env:DSN_VS
+        cmake .. -DCMAKE_BUILD_TYPE="${env:DSN_CMAKE_BUILD_TYPE}" -DBOOST_INCLUDEDIR="${env:DSN_BOOST_INC}" -DBOOST_LIBRARYDIR="${env:DSN_BOOST_LIB}" -G $env:DSN_VS
 
 build_script:
-	- ps: >-
-		cmake --build . --target check -- /verbosity:minimal /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
+    - ps: >-
+        cmake --build . --target check -- /verbosity:minimal /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
 
-		if (-not $?) { throw "build failed" }
+        if (-not $?) { throw "build failed" }
 
 test_script: