user32/tests: Make some variables static.

dlls/user32/tests/input.c

@@ -414,7 +414,7 @@ struct message {
     LPARAM lParam;         /* expected value of lParam */
 };
 
-struct sendinput_test_s {
+static const struct sendinput_test_s {
     WORD wVk;
     DWORD dwFlags;
     BOOL _todo_wine;
@@ -674,10 +674,10 @@ static struct message sent_messages[MAXKEYMESSAGES];
 static UINT sent_messages_cnt;
 
 /* Verify that only specified key state transitions occur */
-static void compare_and_check(int id, BYTE *ks1, BYTE *ks2, struct sendinput_test_s *test)
+static void compare_and_check(int id, BYTE *ks1, BYTE *ks2, const struct sendinput_test_s *test)
 {
     int i, failcount = 0;
-    struct transition_s *t = test->expected_transitions;
+    const struct transition_s *t = test->expected_transitions;
     UINT actual_cnt = 0;
     const struct message *expected = test->expected_messages;
 

dlls/user32/tests/listbox.c

@@ -996,8 +996,8 @@ static void test_listbox_LB_DIR(void)
     DeleteFileA( "wtest1.tmp.c" );
 }
 
-HWND g_listBox;
-HWND g_label;
+static HWND g_listBox;
+static HWND g_label;
 
 #define ID_TEST_LABEL    1001
 #define ID_TEST_LISTBOX  1002