cmigemo: pull upstream fixes for parallel build
cmigemo: pull upstream fixes for parallel build

Without the changes build fails on parallel build as:

    make[1]: Entering directory '/build/cmigemo'
    gcc -O2 -Wall  -fPIC -o build/object/charset.o -c src/charset.c
    Assembler messages:
    Fatal error: can't create build/object/charset.o: No such file or directory
    make[1]: *** [compile/unix.mak:33: build/object/charset.o] Error 1 shuffle=1655929862

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