spack edit fixed.

lib/spack/spack/cmd/edit.py

@@ -17,7 +17,7 @@ def edit(parser, args):
     if not name:
         path = spack.packages_path
     else:
-        path = packages.filename_for(name)
+        path = packages.filename_for_package_name(name)
 
         if os.path.exists(path):
             if not os.path.isfile(path):

lib/spack/spack/packages/libdwarf.py

@@ -49,9 +49,3 @@ def install(self, prefix):
             install('dwarfdump',     bin)
             install('dwarfdump.conf', lib)
             install('dwarfdump.1',    man1)
-
-
-#    @platform('macosx_10.8_x86_64')
-#    def install(self, prefix):
-#        raise UnsupportedPlatformError(
-#            "libdwarf doesn't currently build on Mac OS X.")