gnu-shogi: fix multiple definition build issue with gcc 10+

[chenrui333]

  gcc-11 -g -O2 -DHASHFILE=\"/home/linuxbrew/.linuxbrew/Cellar/gnu-shogi/1.4.2/lib/gnushogi/gnushogi.hsh\" -fsigned-char -funroll-loops -Wall -Wno-implicit-int -Wstrict-prototypes -ansi -pedantic -I. -I.. -I.. -o gnushogi globals.o init-common.o pattern-common.o attacks.o book.o commondsp.o dspwrappers.o eval.o genmove.o init.o pattern.o rawdsp.o search.o tcontrl.o util.o main.o   -lm
  /usr/bin/ld: rawdsp.o:(.bss+0x8): multiple definition of `DRAW'; globals.o:(.bss+0x0): first defined here

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• Tracking issue for Linux ARM bottling #211761