PSP: Deactivated dynamic API.

Thanks to Bugzilla #3240 for pointing this out.

src/dynapi/SDL_dynapi.h

@@ -47,6 +47,8 @@
 #define SDL_DYNAMIC_API 0
 #elif SDL_BUILDING_WINRT /* probaly not useful on WinRT, given current .dll loading restrictions */
 #define SDL_DYNAMIC_API 0
+#elif __PSP__
+#define SDL_DYNAMIC_API 0
 #elif defined(__clang_analyzer__)
 #define SDL_DYNAMIC_API 0  /* Turn off for static analysis, so reports are more clear. */
 #endif