libdwelf: New DWARF ELF Low-level Functions. Add dwelf_elf_gnu_debuglink.

New public header elfutils/libdwelf.h for low-level DWARF/ELF helper
functions.  The new function dwelf_elf_gnu_debuglink returns the name and
crc as found in the .gnu_debuglink section of an ELF file.

Signed-off-by: Mark Wielaard <mjw@redhat.com>
diff --git a/Makefile.am b/Makefile.am
index 7db05f8..aa554e6 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -23,8 +23,8 @@
 pkginclude_HEADERS = version.h
 
 # Add doc back when we have some real content.
-SUBDIRS = config m4 lib libelf libebl libdwfl libdw libcpu libasm backends \
-	  src po tests
+SUBDIRS = config m4 lib libelf libebl libdwelf libdwfl libdw libcpu libasm \
+	  backends src po tests
 
 EXTRA_DIST = elfutils.spec GPG-KEY NOTES CONTRIBUTING \
 	     COPYING COPYING-GPLV2 COPYING-LGPLV3