remount to the default installation, so language utils follow it

stepmania/src/smpackage/EditInsallations.cpp

@@ -10,6 +10,7 @@
 #include "archutils/Win32/DialogUtil.h"
 #include ".\editinsallations.h"
 #include "LocalizedString.h"
+#include "RageFileManager.h"
 #include "RageUtil.h"
 #include "arch/Dialog/Dialog.h"
 
@@ -141,6 +142,11 @@ void EditInsallations::OnOK()
 	}
 	SMPackageUtil::WriteGameInstallDirs( vs );
 
+	// set the new default
+	vector<RString> asInstallDirs;
+	SMPackageUtil::GetGameInstallDirs( asInstallDirs );
+	FILEMAN->Remount( "/", asInstallDirs[0] );
+
 	CDialog::OnOK();
 }
 

stepmania/src/smpackage/smpackage.cpp

@@ -66,6 +66,12 @@ BOOL CSmpackageApp::InitInstance()
 		SMPackageUtil::SetDefaultInstallDir( szCurrentDirectory );
 	}	
 
+	{
+		vector<RString> asInstallDirs;
+		SMPackageUtil::GetGameInstallDirs( asInstallDirs );
+		FILEMAN->Remount( "/", asInstallDirs[0] );
+	}
+
 
 	LUA = new LuaManager;
 	THEME = new ThemeManager;