fix building under Solaris

ircii/ircii.spec

@@ -55,8 +55,13 @@ AutoReqProv:  no
 %build
     PATH="%{l_prefix}:$PATH"
     export PATH
+    libs=""
+    case "%{l_target}" in
+        *-solaris* ) libs="-lsocket -lnsl" ;;
+    esac
     CC="%{l_cc}" \
     CFLAGS="%{l_cflags -O}" \
+    LIBS="$libs" \
     ./configure \
         --prefix=%{l_prefix} \
         --disable-ipv6