packaging: build csdiff-static on RHEL-9 and newer

Related: csutils/csmock#216

Author: kdudka

make-srpm.sh

@@ -91,7 +91,7 @@ cat > "$SPEC" << EOF
 %endif
 
 # build csdiff-static on 64bit RHEL-10+ and Fedora
-%if 0%{?__isa_bits} == 64 && (0%{?rhel} > 9 || 0%{?fedora})
+%if 0%{?__isa_bits} == 64 && (0%{?rhel} > 7 || 0%{?fedora})
 %bcond_without static
 %else
 %bcond_with static