warning in cfgfiles.c while building sfctool

../src/cfgfiles.c:457:9: warning: variable 'nsep' set but not used [-Wunused-but-set-variable]
  457 |     int nsep = 1;
      |         ^
1 warning generated.

src/cfgfiles.c

@@ -470,6 +470,7 @@ choose_random_part(char *str, char sep)
 #ifndef SFCTOOL
     csep = rn2(nsep);
 #else
+    nhUse(nsep);
     csep = 1;
 #endif
     str = begin;