Use ctsdio streams for dump_syms for significant speedup. Also contains a makefile fix to build in 32-bit mode, even on 64-bit systems.

A=jim blandy
R=nealsid



git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@347 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/common/linux/dump_symbols.h

@@ -34,13 +34,14 @@
 #define COMMON_LINUX_DUMP_SYMBOLS_H__
 
 #include <string>
+#include <cstdio>
 
 namespace google_breakpad {
 
 class DumpSymbols {
  public:
   bool WriteSymbolFile(const std::string &obj_file,
-                       int sym_fd);
+                       FILE *sym_file);
 };
 
 }  // namespace google_breakpad