fix building under FreeBSD

suck/suck.spec

@@ -33,7 +33,7 @@ Distribution: OpenPKG [REL]
 Group:        Converter
 License:      GPL
 Version:      4.3.0
-Release:      20020206
+Release:      20020405
 
 #   list of sources
 Source0:      http://www.sucknews.org/suck-%{version}.tar.gz
@@ -55,6 +55,7 @@ AutoReqProv:  no
 
 %prep
     %setup -q 
+    %{l_shtool} subst -e 's;strnstr;disable_strnstr;g' killfile.c
 
 %build
     CC="%{l_cc}" \