Added changes noted by raysan

src/core.c

@@ -3540,8 +3540,8 @@ Vector2 GetMousePosition(void)
     return position;
 }
 
-// Mouse movement per frame XY
-Vector2 GetMouseDelta()
+// Get mouse delta between frames
+Vector2 GetMouseDelta(void)
 {
     Vector2 delta = {0};
 

src/raylib.h

@@ -1104,7 +1104,7 @@ RLAPI bool IsMouseButtonUp(int button);                       // Check if a mous
 RLAPI int GetMouseX(void);                                    // Get mouse position X
 RLAPI int GetMouseY(void);                                    // Get mouse position Y
 RLAPI Vector2 GetMousePosition(void);                         // Get mouse position XY
-RLAPI Vector2 GetMouseDelta();                                // Mouse movement per frame XY
+RLAPI Vector2 GetMouseDelta(void);                            // Get mouse delta between frames
 RLAPI void SetMousePosition(int x, int y);                    // Set mouse position XY
 RLAPI void SetMouseOffset(int offsetX, int offsetY);          // Set mouse offset
 RLAPI void SetMouseScale(float scaleX, float scaleY);         // Set mouse scaling