Fixed integral constant overflow

src/timer/ngage/SDL_systimer.cpp

@@ -47,7 +47,7 @@ SDL_GetPerformanceFrequency(void)
 
 void SDL_DelayNS(Uint64 ns)
 {
-    const Uint64 max_delay = 0x7fffffff * SDL_NS_PER_US;
+    const Uint64 max_delay = 0x7fffffffLLU * SDL_NS_PER_US;
     if (ns > max_delay) {
         ns = max_delay;
     }

src/timer/psp/SDL_systimer.c

@@ -50,7 +50,7 @@ SDL_GetPerformanceFrequency(void)
 
 void SDL_DelayNS(Uint64 ns)
 {
-    const Uint64 max_delay = 0xffffffff * SDL_NS_PER_US;
+    const Uint64 max_delay = 0xffffffffLLU * SDL_NS_PER_US;
     if (ns > max_delay) {
         ns = max_delay;
     }

src/timer/vita/SDL_systimer.c

@@ -43,7 +43,7 @@ SDL_GetPerformanceFrequency(void)
 
 void SDL_DelayNS(Uint64 ns)
 {
-    const Uint64 max_delay = 0xffffffff * SDL_NS_PER_US;
+    const Uint64 max_delay = 0xffffffffLLU * SDL_NS_PER_US;
     if (ns > max_delay) {
         ns = max_delay;
     }

src/timer/windows/SDL_systimer.c

@@ -73,7 +73,7 @@ void SDL_DelayNS(Uint64 ns)
 #endif
 
     {
-        const Uint64 max_delay = 0xffffffff * SDL_NS_PER_MS;
+        const Uint64 max_delay = 0xffffffffLLU * SDL_NS_PER_MS;
         if (ns > max_delay) {
             ns = max_delay;
         }