Swapped topRight and bottomRight color parameters on

`DrawRectangleGradientEx` as they were inverted.

src/raylib.h

@@ -1275,7 +1275,7 @@ RLAPI void DrawRectangleRec(Rectangle rec, Color color);
 RLAPI void DrawRectanglePro(Rectangle rec, Vector2 origin, float rotation, Color color);                 // Draw a color-filled rectangle with pro parameters
 RLAPI void DrawRectangleGradientV(int posX, int posY, int width, int height, Color top, Color bottom);   // Draw a vertical-gradient-filled rectangle
 RLAPI void DrawRectangleGradientH(int posX, int posY, int width, int height, Color left, Color right);   // Draw a horizontal-gradient-filled rectangle
-RLAPI void DrawRectangleGradientEx(Rectangle rec, Color topLeft, Color bottomLeft, Color bottomRight, Color topRight); // Draw a gradient-filled rectangle with custom vertex colors
+RLAPI void DrawRectangleGradientEx(Rectangle rec, Color topLeft, Color bottomLeft, Color topRight, Color bottomRight); // Draw a gradient-filled rectangle with custom vertex colors
 RLAPI void DrawRectangleLines(int posX, int posY, int width, int height, Color color);                   // Draw rectangle outline
 RLAPI void DrawRectangleLinesEx(Rectangle rec, float lineThick, Color color);                            // Draw rectangle outline with extended parameters
 RLAPI void DrawRectangleRounded(Rectangle rec, float roundness, int segments, Color color);              // Draw rectangle with rounded edges

src/rshapes.c

@@ -786,7 +786,7 @@ void DrawRectangleGradientH(int posX, int posY, int width, int height, Color lef
 }
 
 // Draw a gradient-filled rectangle
-void DrawRectangleGradientEx(Rectangle rec, Color topLeft, Color bottomLeft, Color bottomRight, Color topRight)
+void DrawRectangleGradientEx(Rectangle rec, Color topLeft, Color bottomLeft, Color topRight, Color bottomRight)
 {
     rlSetTexture(GetShapesTexture().id);
     Rectangle shapeRect = GetShapesTextureRectangle();