libunwind-headers: Move back to /include to unbreak cctools upgrades …

…due to conflicts with CarbonHeaders. (https://trac.macports.org/ticket/42500, https://trac.macports.org/ticket/46521)

git-svn-id: https://svn.macports.org/repository/macports/trunk/dports@131416 d073be05-634f-4543-b044-5fe20cf6d1d6

devel/libunwind/Portfile

@@ -6,7 +6,7 @@ PortGroup               compiler_blacklist_versions 1.0
 name                    libunwind
 version                 3.5.0
 revision                4
-subport ${name}-headers { }
+subport ${name}-headers { revision 5 }
 epoch                   1
 categories              devel
 platforms               darwin
@@ -63,7 +63,7 @@ if {${subport} == "${name}-headers"} {
 
     destroot.target installhdrs
     destroot.args \
-        PREFIX="${prefix}/Developer/SDKs/Darwin${os.major}.sdk/usr"
+        PREFIX="${prefix}"
 } else {
     # Technically not needed, but subports will expect depending on libunwind to pull in the headers
     depends_lib-append port:libunwind-headers