Handle strndup in freebsd in the same way it is handled on other...

src/platform-freebsd.cc

Index: src/platform-freebsd.cc
===================================================================
--- src/platform-freebsd.cc	(revision 1141)
+++ src/platform-freebsd.cc	(working copy)
@@ -195,7 +195,19 @@
 
 
 char* OS::StrNDup(const char* str, size_t n) {
-  return strndup(str, n);
+  // Stupid implementation of strndup since freebsd isn't born with
+  // one.
+  size_t len = strlen(str);
+  if (len <= n) {
+    return StrDup(str);
+  }
+  char* result = new char[n+1];
+  size_t i;
+  for (i = 0; i <= n; i++) {
+    result[i] = str[i];
+  }
+  result[i] = '\0';
+  return result;
 }