Try adding the 0. version number prefix to the nping RPM package.

Makefile.in

@@ -242,6 +242,7 @@ $(NCATDIR)/ncat.h: nmap.h
 	mv -f $@.tmp $@
 
 # Update the Nping version number. This is "0.NMAP_VERSION".
+# If the 0. prefix is removed it must also be removed from nmap.spec.in.
 $(NPINGDIR)/nping.h: nmap.h
 	sed -e 's/^#[ \t]*define[ \t]\+NPING_VERSION[ \t]\+\(".*"\)/#define NPING_VERSION "0.$(NMAP_VERSION)"/' $@ > $@.tmp
 	mv -f $@.tmp $@

nmap.spec.in

@@ -110,6 +110,8 @@ uses.
 # Nping subpackage
 %if "%{buildnping}" != "0"
 %package -n nping
+# If this 0. prefix is removed it must also be removed from Makefile.in.
+Version: 0.%{version}
 Summary: Nping packet generator
 Group: Applications/System