Added GetDefaultFont() function

Useful to be used with DrawTextEx() to draw with default font and
extended parameters

src/raylib.h

@@ -317,6 +317,7 @@ void DrawTexturePro(Texture2D texture, Rectangle sourceRec, Rectangle destRec, V
 //------------------------------------------------------------------------------------
 // Font Loading and Text Drawing Functions (Module: text)
 //------------------------------------------------------------------------------------
+SpriteFont GetDefaultFont();                                                                       // Get the default SpriteFont
 SpriteFont LoadSpriteFont(const char *fileName);                                                   // Load a SpriteFont image into GPU memory
 void UnloadSpriteFont(SpriteFont spriteFont);                                                      // Unload SpriteFont from GPU memory
 void DrawText(const char *text, int posX, int posY, int fontSize, Color color);                    // Draw text (using default font)

src/text.c

@@ -192,6 +192,12 @@ extern void UnloadDefaultFont()
     free(defaultFont.charSet);
 }
 
+// Get the default font, useful to be used with extended parameters
+SpriteFont GetDefaultFont()
+{
+    return defaultFont;
+}
+
 // Load a SpriteFont image into GPU memory
 SpriteFont LoadSpriteFont(const char* fileName)      
 {