rlUpdateTexture(): Corrected issue

src/rlgl.h

@@ -2208,7 +2208,7 @@ void rlUpdateTexture(unsigned int id, int offsetX, int offsetY, int width, int h
 
     if ((glInternalFormat != -1) && (format < COMPRESSED_DXT1_RGB))
     {
-        glTexSubImage2D(GL_TEXTURE_2D, 0, offsetY, offsetY, width, height, glFormat, glType, (unsigned char *)data);
+        glTexSubImage2D(GL_TEXTURE_2D, 0, offsetX, offsetY, width, height, glFormat, glType, (unsigned char *)data);
     }
     else TRACELOG(LOG_WARNING, "TEXTURE: [ID %i] Failed to update for current texture format (%i)", id, format);
 }