[OB] Fix xcoffread.c build error

[Hui Zhu <teawater@gmail.com>]

gcc -g -O2   -I. -I../../src/gdb -I../../src/gdb/common
-I../../src/gdb/config -DLOCALEDIR="\"/usr/local/share/locale\""
-DHAVE_CONFIG_H -I../../src/gdb/../include/opcode
-I../../src/gdb/../opcodes/.. -I../../src/gdb/../readline/.. -I../bfd
-I../../src/gdb/../bfd -I../../src/gdb/../include -I../libdecnumber
-I../../src/gdb/../libdecnumber  -I../../src/gdb/gnulib -Ignulib
-DMI_OUT=1 -DTUI=1 -DGDBTK  -Wall -Wdeclaration-after-statement
-Wpointer-arith -Wformat-nonliteral -Wno-pointer-sign -Wno-unused
-Wunused-value -Wunused-function -Wno-switch -Wno-char-subscripts
-Werror -c -o xcoffread.o -MT xcoffread.o -MMD -MP -MF
.deps/xcoffread.Tpo ../../src/gdb/xcoffread.c
cc1: warnings being treated as errors
../../src/gdb/xcoffread.c: In function 'xcoff_psymtab_to_symtab_1':
../../src/gdb/xcoffread.c:964:25: error:
'fcn_aux_saved$x_sym$x_misc$x_fsize' may be used uninitialized in this
function
make[2]: *** [xcoffread.o] Error 1
make[2]: Leaving directory `/home/teawater/gdb/cvs/ba/gdb'
make[1]: *** [all-gdb] Error 2
make[1]: Leaving directory `/home/teawater/gdb/cvs/ba'
make: *** [all] Error 2

2011-05-19  Hui Zhu  <teawater@gmail.com>

	* xcoffread.c (read_xcoff_symtab): Initialize fcn_aux_saved.
===================================================================
RCS file: /cvs/src/src/gdb/xcoffread.c,v
retrieving revision 1.87
retrieving revision 1.88
diff -u -r1.87 -r1.88
--- src/gdb/xcoffread.c	2011/04/19 14:33:09	1.87
+++ src/gdb/xcoffread.c	2011/05/19 06:54:30	1.88
@@ -961,7 +961,7 @@
   struct coff_symbol fcn_stab_saved = { 0 };

   /* fcn_cs_saved is global because process_xcoff_symbol needs it.  */
-  union internal_auxent fcn_aux_saved;
+  union internal_auxent fcn_aux_saved = main_aux;
   struct context_stack *new;

   char *filestring = " _start_ ";	/* Name of the current file.  */