reiserfsprogs: use com_err in reiserfs_open

We dump failure messages to the terminal regardless of whether the caller
wants them or not.  This can be annoying when used as part of a general
tool that tests to see which file system is on a device by calling
its open routine.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>

reiserfscore/Makefile.am

@@ -1,9 +1,21 @@
 lib_LTLIBRARIES = libreiserfscore.la
 
+reiserfsdir = $(includedir)/reiserfs
+reiserfs_HEADERS = reiserfs_err.h
+
+reiserfs_err.c reiserfs_err.h: reiserfs_err.et
+	$(RM) -f reisefs_err.c reiserfs_err.h
+	compile_et reiserfs_err.et
+reiserfs_err.h: reiserfs_err.c
+
+BUILT_SOURCES = reiserfs_err.h reiserfs_err.c
+CLEANFILES = reiserfs_err.h reiserfs_err.c
+
 libreiserfscore_la_SOURCES = do_balan.c fix_node.c hashes.c ibalance.c \
 			     lbalance.c prints.c stree.c node_formats.c \
-			     reiserfslib.c bitmap.c journal.c xattr.c includes.h
-libreiserfscore_la_LIBADD = ../lib/libmisc.la
+			     reiserfslib.c bitmap.c journal.c xattr.c \
+			     includes.h reiserfs_err.c
+libreiserfscore_la_LIBADD = ../lib/libmisc.la -lcom_err
 
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = reiserfscore.pc