gst-libav: Fix spacing issues in configure args

packages/gst-libav/build.sh

@@ -1,10 +1,13 @@
 TERMUX_PKG_HOMEPAGE=https://gstreamer.freedesktop.org/
 TERMUX_PKG_DESCRIPTION="GStreamer libav/ffmpeg wrapper"
 TERMUX_PKG_VERSION=1.12.3
+TERMUX_PKG_SHA256=015ef8cab6f7fb87c8fb42642486423eff3b6e6a6bccdcd6a189f436a3619650
 TERMUX_PKG_SRCURL=https://gstreamer.freedesktop.org/src/gst-libav/gst-libav-${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_BUILD_IN_SRC=yes
 TERMUX_PKG_DEPENDS="gst-plugins-base,ffmpeg"
-TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--disable-tests --disable-examples"
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
-TERMUX_PKG_EXTRA_CONFIGURE_ARGS+="--with-system-libav --disable-android_media"
+--disable-android_media
-TERMUX_PKG_SHA256=015ef8cab6f7fb87c8fb42642486423eff3b6e6a6bccdcd6a189f436a3619650
+--disable-examples
-
+--disable-tests
+--with-system-libav
+"