netsrpms: use tmpdir as %_topdir so that packager permissions are not required to write to /usr/src/RPM

netsrpms

@@ -120,7 +120,7 @@ for pckname in $PACKAGES; do
          ${SPEC_PATHNAME} >> $tmpfile
 
       rpmbuild --ba \
-         --define="%_rpmdir $tmpdir" \
+         --define="%_topdir $tmpdir" \
          --define="%_sourcedir ${SRPM_PATH}" \
          $tmpfile
 
@@ -129,7 +129,7 @@ for pckname in $PACKAGES; do
          notify-send -a $"Network software installation" -i $icon "$pckname" $"There was an error building"" $pckname!"
          exit 255
       fi
-      RPM_PATH=`find $tmpdir -name \*.rpm`
+      RPM_PATH=`find ${tmpdir}/RPMS -name \*.rpm`
 
       # install rpm
       if [ "$FORCE_MODE" = "1" ]; then