Fix GCC debug build.

Change-Id: I11a3eb40a1b5f609e69d42acd32e56c9c1a8f473
diff --git a/gn/standalone/BUILD.gn b/gn/standalone/BUILD.gn
index 01fcafb..d0b8a20 100644
--- a/gn/standalone/BUILD.gn
+++ b/gn/standalone/BUILD.gn
@@ -108,6 +108,10 @@
     libs += [ "log" ]
   }
 
+  if (is_debug) {
+    libs += [ "dl" ]
+  }
+
   if (is_android) {
     asmflags += [ "--target=$android_abi_target" ]
     cflags += [
diff --git a/src/base/debug_crash_stack_trace.cc b/src/base/debug_crash_stack_trace.cc
index 6e1f6c2..fef2ae0 100644
--- a/src/base/debug_crash_stack_trace.cc
+++ b/src/base/debug_crash_stack_trace.cc
@@ -17,6 +17,7 @@
 #include <cxxabi.h>
 #include <dlfcn.h>
 #include <signal.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>