Fix #243: Incorrect assigment in the configure script

Author: rhash

configure

@@ -877,7 +877,7 @@ if test "$OPT_STATIC" = "no"; then
   RHASH_TEST_OPTIONS=--shared
   test "$INSTALL_LIB_SHARED" = "auto" && INSTALL_LIB_SHARED=yes
   test "$INSTALL_LIB_STATIC" = "yes"  && RHASH_BUILD_TARGETS="$RHASH_BUILD_TARGETS \$(LIBRHASH_STATIC)"
-  RHASH_LDFLAGS=$RHASH_LDFLAGS $GETTEXT_LDFLAGS
+  RHASH_LDFLAGS=$(join_params $RHASH_LDFLAGS $GETTEXT_LDFLAGS)
 else
   LIBRHASH_TYPE=static
   LIBRHASH_PATH="\$(LIBRHASH_STATIC)"