Unbreak build.

Summary: I'll pretend you reviewed this.

Test Plan: build

Reviewed By: simpkins@fb.com

FB internal diff: D562255

folly/experimental/symbolizer/ElfUtil.cpp

@@ -26,7 +26,7 @@ using namespace facebook;
 using namespace facebook::symbolizer;
 
 int main(int argc, char *argv[]) {
-  google::ParseCommandLineFlags(&argc. &argv, true);
+  google::ParseCommandLineFlags(&argc, &argv, true);
   CHECK_GE(argc, 2);
 
   ElfFile elf(argv[1]);