update RPM specs dependencies

motivation: static linking required the development version of libxml2 and libcurl

changes: include libxml2-devel and libcurl-devel which are needed for static linking

Author: tomerd

platforms/Linux/RPM/Amazonlinux/2/swiftlang.spec

@@ -68,12 +68,12 @@ Requires:       git
 Requires:       glibc-static
 Requires:       gzip
 Requires:       libbsd
-Requires:       libcurl
+Requires:       libcurl-devel
 Requires:       libedit
 Requires:       libicu
 Requires:       libstdc++-static
 Requires:       libuuid
-Requires:       libxml2
+Requires:       libxml2-devel
 Requires:       sqlite
 Requires:       tar
 Requires:       tzdata