Syntax of script run at uninstall is malformed

Change-Id: Icf056a66411d99a5aa8a2ad61f55751c0ac43b68

runtime/packages/hsa-ext-rocr-dev/rpm_postun

@@ -1,3 +1,3 @@
-if [ $1 -eq 0]; then
+if [ $1 -eq 0 ]; then
     rm -f /etc/ld.so.conf.d/hsa-ext-rocr-dev.conf && ldconfig
 fi