Build failure for x86_64-pc-mingw32 target

[Kai Tietz <Kai.Tietz@onevision.com>]

Hello,

I noticed a failure while building gdb for x64 target. It seems to be an 
new regression. 

x86_64-pc-mingw32-gcc -g -O2 -D__USE_MINGW_ACCESS   -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/../readline/..
 -I../bfd -I../../src/gdb/../bfd -I../../src/gdb/../include 
-I../libdecnumber -I
../../src/gdb/../libdecnumber -I./../intl -I../../src/gdb/gnulib -Ignulib 
-DMI_
OUT=1  -Wall -Wdeclaration-after-statement -Wpointer-arith 
-Wformat-nonliteral -
Wno-pointer-sign -Wno-unused -Wno-switch -Wno-char-subscripts -Wno-format 
-Werro
r -c -o i386-tdep.o -MT i386-tdep.o -MMD -MP -MF .deps/i386-tdep.Tpo 
../../src/g
db/i386-tdep.c
cc1: warnings being treated as errors
../../src/gdb/i386-tdep.c: In function 'i386_process_record':
../../src/gdb/i386-tdep.c:2996: error: implicit declaration of function 
'bzero'
../../src/gdb/i386-tdep.c:2996: error: incompatible implicit declaration 
of buil
t-in function 'bzero'
make[2]: *** [i386-tdep.o] Error 1

Cheers,
Kai

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