reg: Abort 'delete' operation when parsing command-line arguments that are not switches.

programs/reg/delete.c

@@ -118,9 +118,12 @@ int reg_delete(int argc, WCHAR *argvW[])
 
     for (i = 3; i < argc; i++)
     {
-        if (argvW[i][0] == '/' || argvW[i][0] == '-')
-        {
-            WCHAR *str = &argvW[i][1];
+        WCHAR *str;
+
+        if (argvW[i][0] != '/' && argvW[i][0] != '-')
+            goto invalid;
+
+        str = &argvW[i][1];
 
         if (!lstrcmpiW(str, L"va"))
         {
@@ -151,7 +154,6 @@ int reg_delete(int argc, WCHAR *argvW[])
             goto invalid;
         }
     }
-    }
 
     if ((value_name && value_empty) || (value_name && value_all) || (value_empty && value_all))
         goto invalid;