component: use more SlapOS components explicitly in building.

component/w3m/buildout.cfg

 [buildout]
 extends =
+  ../gettext/buildout.cfg
   ../garbage-collector/buildout.cfg
   ../ncurses/buildout.cfg
   ../openssl/buildout.cfg
@@ -39,7 +40,7 @@ patches =
   ${:_profile_base_location_}/w3m-0.5.2-gc72.patch#5a74b6379240c8dd1372efa7926c8bdc
 
 environment =
-  PATH=${patch:location}/bin:${perl:location}/bin:${pkgconfig:location}/bin:%(PATH)s
+  PATH=${gettext:location}/bin:${patch:location}/bin:${perl:location}/bin:${pkgconfig:location}/bin:%(PATH)s
   PKG_CONFIG_PATH=${openssl:location}/lib/pkgconfig:${garbage-collector:location}/lib/pkgconfig
   CPPFLAGS=-I${ncurses:location}/include/ -I${zlib:location}/include/ -I${garbage-collector:location}/include
   LDFLAGS=-Wl,--as-needed -L${garbage-collector:location}/lib -Wl,-rpath=${garbage-collector:location}/lib -L${ncurses:location}/lib -Wl,-rpath=${ncurses:location}/lib -L${openssl:location}/lib -Wl,-rpath=${openssl:location}/lib -L${zlib:location}/lib -Wl,-rpath=${zlib:location}/lib

component/wget/buildout.cfg

 [buildout]
 extends =
+  ../gettext/buildout.cfg
   ../openssl/buildout.cfg
   ../patch/buildout.cfg
   ../pcre/buildout.cfg
+  ../perl/buildout.cfg
   ../pkgconfig/buildout.cfg
   ../xz-utils/buildout.cfg
   ../zlib/buildout.cfg
@@ -28,7 +30,7 @@ patches =
   ${:_profile_base_location_}/wget-doc.makefile.patch#0d23cf1ee81268a94699aebbb26058e6
 
 environment =
-  PATH=${patch:location}/bin:${pkgconfig:location}/bin:${xz-utils:location}/bin:%(PATH)s
+  PATH=${gettext:location}/bin:${patch:location}/bin:${perl:location}/bin:${pkgconfig:location}/bin:${xz-utils:location}/bin:%(PATH)s
   PKG_CONFIG_PATH=${openssl:location}/lib/pkgconfig
   LDFLAGS=-L${zlib:location}/lib -Wl,-rpath=${zlib:location}/lib -L${openssl:location}/lib -L${pcre:location}/lib -Wl,-rpath=${pcre:location}/lib -Wl,-rpath=${openssl:location}/lib
   CPPFLAGS=-I${zlib:location}/include -I${openssl:location}/include -I${pcre:location}/include