Try to fix a periodic windows build failure due to broken rwildcard macro

Author: brson

mk/llvm.mk

@@ -14,7 +14,9 @@ LLVM_DEPS := $(S)/.gitmodules
 else
 
 # This is just a rough approximation of LLVM deps
-LLVM_DEPS=$(call rwildcard,$(CFG_LLVM_SRC_DIR),*cpp *hpp)
+LLVM_DEPS_SRC=$(call rwildcard,$(CFG_LLVM_SRC_DIR)/src,*cpp *hpp)
+LLVM_DEPS_INC=$(call rwildcard,$(CFG_LLVM_SRC_DIR)/include,*cpp *hpp)
+LLVM_DEPS=$(LLVM_DEPS_SRC) $(LLVM_DEPS_INC)
 endif
 
 define DEF_LLVM_RULES