This patch updates 'configure' as autoreconf would have done after
applying curl-support-capath-on-gnutls.patch.

--- a/configure       2015-03-22 01:11:23.178743705 +0100
+++ b/configure       2015-02-25 00:05:37.000000000 +0100
@@ -23952,8 +24432,8 @@
         ca="$want_ca"
     capath="no"
   elif test "x$want_capath" != "xno" -a "x$want_capath" != "xunset"; then
-        if test "x$OPENSSL_ENABLED" != "x1" -a "x$POLARSSL_ENABLED" != "x1"; then
-      as_fn_error $? "--with-ca-path only works with openSSL or PolarSSL" "$LINENO" 5
+        if test "x$OPENSSL_ENABLED" != "x1" -a "x$GNUTLS_ENABLED" != "x1" -a "x$POLARSSL_ENABLED" != "x1"; then
+      as_fn_error $? "--with-ca-path only works with OpenSSL, GnuTLS or PolarSSL" "$LINENO" 5
     fi
     capath="$want_capath"
     ca="no"