window.c: Just use float instead of GLfloat, remove GLES2.h include
diff --git a/clients/terminal.c b/clients/terminal.c
index c8818d0..52aed84 100644
--- a/clients/terminal.c
+++ b/clients/terminal.c
@@ -2237,7 +2237,7 @@
 static int
 motion_handler(struct widget *widget,
 	       struct input *input, uint32_t time,
-	       GLfloat x, GLfloat y, void *data)
+	       float x, float y, void *data)
 {
 	struct terminal *terminal = data;