Use -Wformat=2 by default for all files.

This just makes sure that all format strings are given as literals to
printf like functions so the compiler can see and check them. Remove
all no_Wformat, add -Wformat=2 unconditionally to AM_CFLAGS.

Signed-off-by: Mark Wielaard <mjw@redhat.com>
diff --git a/src/ChangeLog b/src/ChangeLog
index 26a607d..134ad90 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,21 @@
+2014-01-22  Mark Wielaard  <mjw@redhat.com>
+
+	* Makefile.am (nm_no_Wformat): Removed.
+	(size_no_Wformat): Likewise.
+	(strings_no_Wformat): Likewise.
+	(addr2line_no_Wformat): Likewise.
+	* size.c (show_sysv): Use fmtstr directly as literal in printf.
+	(show_sysv_one_line): Likewise.
+	* strings.c (locfmt): Removed.
+	(radix): New static enum.
+	(parse_opt): Set radix, not locfmt.
+	(process_chunk_mb): Use fmtstr directly as literal in printf based
+	on radix.
+	(process_chunk): Likewise.
+	* nm.c (show_symbols_sysv): Use fmtstr directly as literal in printf.
+	(show_symbols_bsd): Likewise.
+	(show_symbols_posix): Likewise.
+
 2014-01-21  Mark Wielaard  <mjw@redhat.com>
 
 	* stack.c (show_inlines): New static boolean.