use library/libevent instead of library/event for pseudo package

Author: citrus-it

doc/packages.md

@@ -29,7 +29,7 @@
 | file/gnu-coreutils			| 8.28			| https://git.savannah.gnu.org/cgit/coreutils.git/refs/tags
 | file/gnu-findutils			| 4.6.0			| https://ftp.gnu.org/pub/gnu/findutils/
 | library/c++/sigcpp			| 2.99.9		| https://download.gnome.org/sources/libsigc++/cache.json
-| library/event				| 2.0.22		| https://github.com/libevent/libevent/releases | Used solely by tmux
+| library/libevent			| 2.0.22		| https://github.com/libevent/libevent/releases | Used solely by tmux
 | library/expat				| 2.2.4			| https://sourceforge.net/projects/expat/files/expat
 | library/gmp				| 6.1.2			| https://gmplib.org/
 | library/idnkit			| 1.0			| https://jprs.co.jp/idn/index-e.html

tools/test

@@ -83,7 +83,7 @@ add_target()
 			terminal/tmux:*)
 				_ver="`grep '^LIBEVENT_VER=' $build \
 				    | cut -d= -f2`"
-				targets["library/event"]=$_ver
+				targets["library/libevent"]=$_ver
 				;;
 			# Skip GCC runtime packages.
 			*gcc-?-runtime:*)	return ;;