msi/tests: Check the x86 program directory first for installed files.

dlls/msi/tests/automation.c

@@ -308,7 +308,8 @@ static BOOL get_program_files_dir(LPSTR buf)
         return FALSE;
 
     size = MAX_PATH;
-    if (RegQueryValueEx(hkey, "ProgramFilesDir", 0, &type, (LPBYTE)buf, &size))
+    if (RegQueryValueEx(hkey, "ProgramFilesDir (x86)", 0, &type, (LPBYTE)buf, &size) &&
+        RegQueryValueEx(hkey, "ProgramFilesDir", 0, &type, (LPBYTE)buf, &size))
         return FALSE;
 
     RegCloseKey(hkey);

dlls/msi/tests/install.c

@@ -3246,7 +3246,8 @@ static BOOL get_system_dirs(void)
         return FALSE;
 
     size = MAX_PATH;
-    if (RegQueryValueExA(hkey, "ProgramFilesDir", 0, &type, (LPBYTE)PROG_FILES_DIR, &size)) {
+    if (RegQueryValueExA(hkey, "ProgramFilesDir (x86)", 0, &type, (LPBYTE)PROG_FILES_DIR, &size) &&
+        RegQueryValueExA(hkey, "ProgramFilesDir", 0, &type, (LPBYTE)PROG_FILES_DIR, &size)) {
         RegCloseKey(hkey);
         return FALSE;
     }

dlls/msi/tests/patch.c

@@ -159,7 +159,8 @@ static BOOL get_program_files_dir( char *buf, char *buf2 )
         return FALSE;
 
     size = MAX_PATH;
-    if (RegQueryValueExA( hkey, "ProgramFilesDir", 0, &type, (LPBYTE)buf, &size ))
+    if (RegQueryValueExA( hkey, "ProgramFilesDir (x86)", 0, &type, (LPBYTE)buf, &size ) &&
+        RegQueryValueExA( hkey, "ProgramFilesDir", 0, &type, (LPBYTE)buf, &size ))
     {
         RegCloseKey( hkey );
         return FALSE;