Forgot the 'then'... Duh.

configure.in

@@ -1379,7 +1379,7 @@ dnl Info and testing provided by tor@cs.brown.edu.
 case "$target" in
   *-*-solaris*)
 	if test ! "$GNU_CC"; then
-	   if test ! -z "`${CC} -V 2>&1 | head -1 | grep '4.2'`"
+	   if test ! -z "`${CC} -V 2>&1 | head -1 | grep '4.2'`"; then
              ac_cv_cpp_template_specialization=no
 	   fi
 	fi