Fix usage of snprintf for MSVC

src/processor/dump_context.cc

 // Copyright (c) 2010 Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 16 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // dump_context.cc: A (mini/micro)dump context.
 //
 // See dump_context.h for documentation.
 
 #include "google_breakpad/processor/dump_context.h"
 
 #include <assert.h>
-#include <stdio.h>
 
 #ifdef _WIN32
 #include <io.h>
-#if defined(_MSC_VER) && _MSC_VER < 1900
-#define snprintf _snprintf
-#endif
 #else  // _WIN32
 #include <unistd.h>
 #endif  // _WIN32
 
+#include "common/stdio.h"
 #include "processor/logging.h"
 
 namespace google_breakpad {
 
 DumpContext::DumpContext() : context_(),
                              context_flags_(0) { }
 
 DumpContext::~DumpContext() {
   FreeContext();
 }
@@ skipping 590 matching lines @@
       break;
     }
 
     default: {
       break;
     }
   }
 }
 
 }  // namespace google_breakpad