remove secure api flag that isn't needed if cygwin is up to date

Author: tkelman

deps/Makefile

@@ -414,7 +414,7 @@ LLVM_FLAGS += --enable-libcpp
 endif # USE_LIBCPP
 ifeq ($(OS), WINNT)
 LLVM_FLAGS += --with-extra-ld-options="-Wl,--stack,8388608" LDFLAGS=""
-LLVM_CPPFLAGS += -D__USING_SJLJ_EXCEPTIONS__ -D__CRT__NO_INLINE -DMINGW_HAS_SECURE_API=1
+LLVM_CPPFLAGS += -D__USING_SJLJ_EXCEPTIONS__ -D__CRT__NO_INLINE
 ifneq ($(BUILD_OS),WINNT)
 LLVM_CMAKE += -DCROSS_TOOLCHAIN_FLAGS_NATIVE=-DCMAKE_TOOLCHAIN_FILE=$(SRCDIR)/NATIVE.cmake
 endif # BUILD_OS != WINNT