Move gitinfo.bat to build directory

So it can be reused for other projects more easily

src/sbbs3/release.bat

 @echo off
-call gitinfo.bat
+call ../build/gitinfo.bat
 call build.bat "/p:Configuration=Release" %*
\ No newline at end of file

src/sbbs3/sbbs.jsdocs.vcxproj

@@ -121,7 +121,7 @@
       <OutputFile>.\msvc.win32.dll.debug/sbbs.bsc</OutputFile>
     </Bscmake>
     <PreBuildEvent>
-      <Command>gitinfo.bat</Command>
+      <Command>..\build\gitinfo.bat</Command>
     </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -173,7 +173,7 @@
       <OutputFile>.\msvc.win32.dll.release/sbbs.bsc</OutputFile>
     </Bscmake>
     <PreBuildEvent>
-      <Command>gitinfo.bat</Command>
+      <Command>..\build\gitinfo.bat</Command>
     </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>

src/sbbs3/sbbs.vcxproj

@@ -117,7 +117,7 @@
       <OutputFile>.\msvc.win32.dll.debug/sbbs.bsc</OutputFile>
     </Bscmake>
     <PreBuildEvent>
-      <Command>gitinfo.bat</Command>
+      <Command>..\build\gitinfo.bat</Command>
     </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -169,7 +169,7 @@
       <OutputFile>.\msvc.win32.dll.release/sbbs.bsc</OutputFile>
     </Bscmake>
     <PreBuildEvent>
-      <Command>gitinfo.bat</Command>
+      <Command>..\build\gitinfo.bat</Command>
     </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>