ruby-devel: rename -docs to -doc

srcpkgs/ruby/template

@@ -3,7 +3,7 @@ _ruby_abiver=2.2.0
 
 pkgname=ruby
 version=2.2.3
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--enable-shared --disable-rpath
  DOXYGEN=/usr/bin/doxygen DOT=/usr/bin/dot PKG_CONFIG=/usr/bin/pkg-config"
@@ -37,7 +37,7 @@ post_install() {
 		${DESTDIR}/usr/lib/ruby/${_ruby_abiver}/*/rbconfig.rb
 }
 
-ruby-devel-docs_package() {
+ruby-devel-doc_package() {
 	short_desc+=" - HTML C API documentation files"
 	noarch=yes
 	pkg_install() {