Remove default argument from loadFileToMemory()

Default function arguments are the devil, and it's better to be more
explicit about what you're passing into the function. Also because we
might become C-only in the future and to help faciliate that, we should
get rid of C++-isms like default function arguments now.

desktop_version/src/Graphics.cpp

@@ -364,7 +364,7 @@ void Graphics::Makebfont(void)
 
     unsigned char* charmap = NULL;
     size_t length;
-    FILESYSTEM_loadFileToMemory("graphics/font.txt", &charmap, &length);
+    FILESYSTEM_loadFileToMemory("graphics/font.txt", &charmap, &length, false);
     if (charmap != NULL)
     {
         unsigned char* current = charmap;