curl: update to 7.55.1

Fix two warnings during build about usage of CFLAGS.

srcpkgs/curl/template

@@ -1,6 +1,6 @@
 # Template build file for 'curl'.
 pkgname=curl
-version=7.55.0
+version=7.55.1
 revision=1
 build_style=gnu-configure
 configure_args="ac_cv_sizeof_off_t=8
@@ -21,12 +21,18 @@ maintainer="Juan RP <xtraeme@voidlinux.eu>"
 license="MIT"
 homepage="https://curl.haxx.se"
 distfiles="$homepage/download/$pkgname-$version.tar.bz2"
-checksum=af1d69ec6f15fe70a2cabaa98309732bf035ef2a735e4e1a3e08754d2780e5b1
+checksum=e5b1a92ed3b0c11f149886458fa063419500819f1610c020d62f25b8e4b16cfb
 
 build_options="gnutls gssapi ldap rtmp ssh ssl"
 build_options_default="ssh ssl"
 vopt_conflict ssl gnutls
 
+pre_configure() {
+	export CFLAGS="${CFLAGS/-D_FORTIFY_SOURCE=2/}"
+	export CFLAGS="${CFLAGS/-I${XBPS_CROSS_BASE}\/usr\/include/}"
+	export CPPFLAGS="-D_FORTIFY_SOURCE=2"
+}
+
 post_install() {
 	vlicense COPYING
 }