patch-git: Do not require directory names in Lua patches table

RPM 6.0.0 does not put the source directory prefix there anymore.

Resolves: RHEL-131835
RPM-Changelog: -
RPM-Skip-Release: yes

patch-git.lua

@@ -1910,7 +1910,7 @@ if rpm then
       if patches_log ~= '' then
          local fp = assert(io.open(patches_log, 'w+'))
          for i=1,#patches do
-            local pname = assert(string.match(patches[i], '.*/([^/]+)$'))
+            local pname = assert(string.match(patches[i], '([^/]+)$'))
             fp:write('Patch' .. i .. ': ' .. pname .. '\n')
          end
          assert(fp:close())