SDL2: add back depends on libGL/libGLES

shlib_requires does not use common/shlibs ...

srcpkgs/SDL2/template

@@ -1,7 +1,7 @@
 # Template file for 'SDL2'
 pkgname=SDL2
 version=2.0.10
-revision=3
+revision=4
 build_style=gnu-configure
 configure_args="--enable-alsa --disable-esd --disable-rpath --enable-libudev
  --enable-clock_gettime --disable-nas --disable-arts --disable-x11-shared
@@ -32,10 +32,13 @@ case "$XBPS_TARGET_MACHINE" in
 	*) ;;
 esac
 
+unset depends
+
 if [ "$build_option_gles" ]; then
 	configure_args+=" --enable-video-opengles"
 	# libGLESv2.so.2 is dynamically loaded with dlopen.
 	shlib_requires="libGLESv2.so.2"
+	depends+=" libGLES"
 else
 	configure_args+=" --disable-video-opengles"
 fi
@@ -51,6 +54,7 @@ fi
 if [ "$build_option_opengl" ]; then
 	# libGL.so.1 is dynamically loaded with dlopen.
 	shlib_requires+=" libGL.so.1"
+	depends+=" libGL"
 	configure_args+=" --enable-video-opengl"
 else
 	configure_args+=" --disable-video-opengl"