proftpd: fix cross

srcpkgs/proftpd/patches/cross.patch

@@ -0,0 +1,11 @@
+--- lib/libcap/Makefile	2017-04-10 04:31:02.000000000 +0200
++++ -	2018-08-28 19:50:14.092251299 +0200
+@@ -26,7 +26,7 @@
+ all: $(LIBNAME)
+ 
+ _makenames: _makenames.c cap_names.sed
+-	$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
++	$(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) $< -o $@
+ 
+ cap_names.h: _makenames
+ 	./_makenames > cap_names.h

srcpkgs/proftpd/template

@@ -3,6 +3,7 @@ pkgname=proftpd
 version=1.3.6
 revision=1
 build_style=gnu-configure
+makedepends="libcap-devel"
 short_desc="Highly configurable GPL-licensed FTP server software"
 maintainer="John <johnz@posteo.net>"
 license="GPL-3.0-or-later"
@@ -11,7 +12,6 @@ homepage="http://www.proftpd.org/"
 distfiles="https://github.com/proftpd/proftpd/archive/v${version}.tar.gz"
 checksum=91ef74b143495d5ff97c4d4770c6804072a8c8eb1ad1ecc8cc541b40e152ecaf
 conf_files="/etc/proftpd.conf"
-nocross="https://travis-ci.org/Johnnynator/void-packages/jobs/385821450"
 
 proftpd-devel_package() {
 	short_desc+=" - development files"