Added /share/pkgconfig as an alternate lookup path in addition to --docdir in base/pkgconf

base/pkgconf/pkgconf.SMBuild

@@ -1,6 +1,6 @@
 app=pkgconf
 version=1.7.3
-build=2sml
+build=3sml
 homepage="https://git.sr.ht/~kaniini/pkgconf"
 download="https://distfiles.dereferenced.org/pkgconf/pkgconf-$version.tar.xz"
 desc="Drop-in replacement for the bloated pkg-config utility"
@@ -18,8 +18,9 @@ prepbuilddir() {
 build() {
   ./configure \
     --prefix="" \
+    --docdir="/share/doc/$app-$version" \
     --disable-static \
-    --with-pkg-config-dir=/lib/pkgconfig
+    --with-pkg-config-dir="/lib/pkgconfig:/share/pkgconfig"
 
   make
   make install DESTDIR=$pkg