add SDL_log10 and SDL_log10f to include and dynapi

include/SDL_stdinc.h

@@ -522,6 +522,8 @@ extern DECLSPEC double SDLCALL SDL_fmod(double x, double y);
 extern DECLSPEC float SDLCALL SDL_fmodf(float x, float y);
 extern DECLSPEC double SDLCALL SDL_log(double x);
 extern DECLSPEC float SDLCALL SDL_logf(float x);
+extern DECLSPEC double SDLCALL SDL_log10(double x);
+extern DECLSPEC float SDLCALL SDL_log10f(float x);
 extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
 extern DECLSPEC float SDLCALL SDL_powf(float x, float y);
 extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);

src/dynapi/SDL_dynapi_overrides.h

@@ -667,3 +667,5 @@
 #define SDL_RenderGetMetalCommandEncoder SDL_RenderGetMetalCommandEncoder_REAL
 #define SDL_IsAndroidTV SDL_IsAndroidTV_REAL
 #define SDL_WinRTGetDeviceFamily SDL_WinRTGetDeviceFamily_REAL
+#define SDL_log10 SDL_log10_REAL
+#define SDL_log10f SDL_log10f_REAL

src/dynapi/SDL_dynapi_procs.h

@@ -705,3 +705,5 @@ SDL_DYNAPI_PROC(SDL_WinRT_DeviceFamily,SDL_WinRTGetDeviceFamily,(void),(),return
 #ifdef __ANDROID__
 SDL_DYNAPI_PROC(SDL_bool,SDL_IsAndroidTV,(void),(),return)
 #endif
+SDL_DYNAPI_PROC(double,SDL_log10,(double a),(a),return)
+SDL_DYNAPI_PROC(float,SDL_log10f,(float a),(a),return)