Cleanup add brace (#6545)

* Add braces after if conditions

* More add braces after if conditions

* Add braces after while() conditions

* Fix compilation because of macro being modified

* Add braces to for loop

* Add braces after if/goto

* Move comments up

* Remove extra () in the 'return ...;' statements

* More remove extra () in the 'return ...;' statements

* More remove extra () in the 'return ...;' statements after merge

* Fix inconsistent patterns are xxx == NULL vs !xxx

* More "{}" for "if() break;"  and "if() continue;"

* More "{}" after if() short statement

* More "{}" after "if () return;" statement

* More fix inconsistent patterns are xxx == NULL vs !xxx

* Revert some modificaion on SDL_RLEaccel.c

* SDL_RLEaccel: no short statement

* Cleanup 'if' where the bracket is in a new line

* Cleanup 'while' where the bracket is in a new line

* Cleanup 'for' where the bracket is in a new line

* Cleanup 'else' where the bracket is in a new line

src/audio/emscripten/SDL_emscriptenaudio.c

@@ -206,7 +206,7 @@ EMSCRIPTENAUDIO_OpenDevice(_THIS, const char *devname)
 
     /* create context */
     result = MAIN_THREAD_EM_ASM_INT({
-        if(typeof(Module['SDL3']) === 'undefined') {
+        if (typeof(Module['SDL3']) === 'undefined') {
             Module['SDL3'] = {};
         }
         var SDL3 = Module['SDL3'];