Replace "/usr/local/lib/libintl.a" generated by old autoconf macros
with "-lintl".

Index: src/Makefile.in
--- src/Makefile.in.orig
+++ src/Makefile.in
@@ -21,7 +21,7 @@ CANLOCK_INC	= @CANLOCK_INC@
 SSL_INC		= @SSLINC@
 SSL_LIB		= @SSLLIB@
 ICONV_INC       = @INCICONV@
-ICONV_LIB       = @LIBICONV@ @LIBINTL@
+ICONV_LIB       = @LTLIBICONV@ @LTLIBINTL@
 #-----------------------------------------------------------------------------
 # System Libraries
 #-----------------------------------------------------------------------------
