Fix include mistakes

1) Missing <stdio.h> while using fopen, fclose, fseek etc
2) platform-linux.cc includes <sys/types.h> wtice

BUG=v8:3691

Review URL: https://codereview.chromium.org/716123003

Cr-Commit-Position: refs/heads/master@{#25395}

src/base/platform/platform-linux.cc

@@ -8,10 +8,10 @@
 #include <pthread.h>
 #include <semaphore.h>
 #include <signal.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <sys/resource.h>
 #include <sys/time.h>
-#include <sys/types.h>
 
 // Ubuntu Dapper requires memory pages to be marked as
 // executable. Otherwise, OS raises an exception when executing code

src/base/platform/platform-posix.cc

@@ -13,6 +13,7 @@
 #include <pthread_np.h>  // for pthread_set_name_np
 #endif
 #include <sched.h>  // for sched_yield
+#include <stdio.h>
 #include <time.h>
 #include <unistd.h>