Fixed graphics initialization crashing love when OpenGL ES 2 is used.

--HG--
branch : minor

src/modules/graphics/opengl/OpenGL.cpp

@@ -139,7 +139,8 @@ void OpenGL::setupContext()
 	state.lastProjectionMatrix.setTranslation(nan, nan);
 	state.lastTransformMatrix.setTranslation(nan, nan);
 
-	glMatrixMode(GL_MODELVIEW);
+	if (GLAD_VERSION_1_0)
+		glMatrixMode(GL_MODELVIEW);
 
 	contextInitialized = true;
 }
@@ -568,7 +569,6 @@ void OpenGL::setTextureFilter(graphics::Texture::Filter &f)
 			gmin = GL_LINEAR;
 	}
 
-
 	switch (f.mag)
 	{
 	case Texture::FILTER_NEAREST:

src/modules/window/sdl/Window.cpp

@@ -32,7 +32,7 @@
 #include <cstdio>
 
 #ifdef LOVE_WINDOWS
-#include <Windows.h>
+#include <windows.h>
 #endif
 
 #ifndef APIENTRY