Don't look in the .libs directories that libtool makes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12027 91177308-0d34-0410-b5e6-96231b3b80d8

utils/getsrcs.sh

@@ -5,6 +5,6 @@ find docs include lib tools utils projects -name \*.\[cdhyl\]\* | grep -v Lexer.
        grep -v llvmAsmParser.cpp | grep -v llvmAsmParser.h | grep -v '~$' | \
        grep -v '\.ll$' | grep -v .flc | grep -v Sparc.burm.c | grep -v '\.d$' |\
        grep -v '\.dir$' | grep -v www/docs/doxygen | grep -v include/boost | \
-       grep -v /Burg/ | grep -v '\.lo' | grep -v '\.inc$' | \
+       grep -v /Burg/ | grep -v '\.lo' | grep -v '\.inc$' | grep -v '\.libs' | \
        grep -v TableGen/FileParser.cpp | grep -v TableGen/FileParser.h