gitignore: update

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/.gitignore b/.gitignore
index a944762..75043fe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,6 +31,8 @@
 /config/config.sub
 /config/depcomp
 /config/install-sh
+/config/libdw.pc
+/config/libelf.pc
 /config/missing
 /config/test-driver
 /config/ylwrap
@@ -55,6 +57,7 @@
 /src/addr2line
 /src/ar
 /src/elfcmp
+/src/elfcompress
 /src/elflint
 /src/findtextrel
 /src/ld