$NetBSD$

Fix warning for printf format messages with gcc 4.5 and -Wformat=2

--- cxxfilt/cxxfilt.c	2011/11/18 21:24:38	1.1
+++ cxxfilt/cxxfilt.c	2011/11/18 21:24:54
@@ -71,7 +71,7 @@
 	{"gnu-v3", ELFTC_DEM_GNU3}
 };
 
-static const char *usagemsg = "\
+static const char usagemsg[] = "\
 Usage: %s [options] [encoded-names...]\n\
   Translate C++ symbol names to human-readable form.\n\n\
   Options:\n\
