Merged in masayuki2009/nuttx.nuttx/fix_build_error_on_cygwin (pull request #684)

configs/lc823450-xgevk: Fix a build error on cygwin.

NOTE: flock works on cygwin but does not support --verbose

Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>

Approved-by: GregoryN <gnutt@nuttx.org>

configs/lc823450-xgevk/scripts/Make.defs

@@ -64,7 +64,7 @@ CXX = $(CROSSDEV)g++
 CPP = $(CROSSDEV)gcc -E
 LD = $(CROSSDEV)ld
 STRIP = $(CROSSDEV)strip --strip-unneeded
-AR = flock --verbose $(TOPDIR) $(CROSSDEV)ar rcs
+AR = flock $(TOPDIR) $(CROSSDEV)ar rcs
 NM = $(CROSSDEV)nm
 OBJCOPY = $(CROSSDEV)objcopy
 OBJDUMP = $(CROSSDEV)objdump