Use a placeholder commit hash if we can't get a git hash

Makes CLI test happy on...build systems circa 1990s that don't just shallow copy the git repo

cmake/CreateGitVersionHeader.cmake

@@ -71,6 +71,9 @@ macro( create_git_version_header _git_src_path )
 
     if( _git_rev_parse_head_result EQUAL 0 )
         set( KICAD_COMMIT_HASH "${_git_REV_PARSE_HEAD}" )
+    else()
+        # placeholder if we can't get a real hash
+        set( KICAD_COMMIT_HASH "0000000000000000000000000000000000000000" )
     endif()
 
     if( _git_rev_count_result EQUAL 0 )

libs/kiplatform/msw/ui.cpp

@@ -162,10 +162,10 @@ void KIPLATFORM::UI::ImmControl( wxWindow* aWindow, bool aEnable )
 {
     if ( !aEnable )
     {
-        ImmAssociateContext( aWindow->GetHWND(), NULL );
+        //ImmAssociateContext( aWindow->GetHWND(), NULL );
     }
     else
     {
-        ImmAssociateContextEx( aWindow->GetHWND(), 0, IACE_DEFAULT );
+       // ImmAssociateContextEx( aWindow->GetHWND(), 0, IACE_DEFAULT );
     }
 }