Get rid of useless and pernicious -L/usr/lib


diff -Naur mysql-connector-odbc-3.51.14r248.orig/configure.in mysql-connector-odbc-3.51.14r248/configure.in
--- mysql-connector-odbc-3.51.14r248.orig/configure.in	2007-03-08 12:26:58.000000000 -0500
+++ mysql-connector-odbc-3.51.14r248/configure.in	2007-04-20 13:35:35.000000000 -0400
@@ -183,7 +183,7 @@
   else
    LTDL_LIB="-L$withval/lib -lltdl"
   fi
-], [LTDL_LIB="-L/usr/lib -lltdl"])
+], [LTDL_LIB="-lltdl"])
 AC_SUBST(LTDL_LIB)
 
 dnl AC_CHECK_LIB(ltdl, lt_dlinit, [],