[gn build] Add missing dependency to Extensions

diff --git a/llvm/utils/gn/secondary/llvm/lib/Extensions/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/Extensions/BUILD.gn
index dccbd5c..e580187 100644 (file)
--- a/llvm/utils/gn/secondary/llvm/lib/Extensions/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Extensions/BUILD.gn
@@ -1,4 +1,5 @@
 static_library("Extensions") {
   output_name = "LLVMExtensions"
   sources = [ "Extensions.cpp" ]
+  deps = [ "//llvm/lib/Support" ]
 }