opusfile: also dev depends on libopus and libogg

for example when building sox on device, opus support can only be
enabled if both libopus-dev and libogg-dev were installed in
addition to opusfile-dev.

packages/opusfile/build.sh

@@ -6,3 +6,4 @@ TERMUX_PKG_SHA256=74ce9b6cf4da103133e7b5c95df810ceb7195471e1162ed57af415fabf5603
 TERMUX_PKG_SRCURL=https://downloads.xiph.org/releases/opus/opusfile-$TERMUX_PKG_VERSION.tar.gz
 TERMUX_PKG_BUILD_IN_SRC=yes
 TERMUX_PKG_DEPENDS="libopus, libogg"
+TERMUX_PKG_DEVPACKAGE_DEPENDS="libopus-dev, libogg-dev"