UnitTests: Fix VS Win32 output folder anomaly

Visual Studio is using different output folder convention for Win32
builds. This makes it a royal-pain-in-the-ass to automate artifact
paths.

Signed-off-by: Simon Rozman <simon@rozman.si>

UnitTests/.gitignore

@@ -1,10 +1,10 @@
 /.vs
 /*.user
-/Debug
-/Release
 /UnitTests/Debug
 /UnitTests/Release
 /UnitTests/x64/Debug
 /UnitTests/x64/Release
 /x64/Debug
 /x64/Release
+/x86/Debug
+/x86/Release

UnitTests/UnitTests.vcxproj

@@ -64,6 +64,7 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup>
+    <OutDir>$(SolutionDir)\$(PlatformTarget)\$(Configuration)\</OutDir>
     <RunCodeAnalysis>true</RunCodeAnalysis>
     <CodeAnalysisRuleSet>NativeRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>