Replace (unsigned) short with (u)int16_t.

Bug: 112478838
Test: build with WITH_TIDY=1
Change-Id: I4b81e6287e72bce2d3cb67cacd6220d064818852
diff --git a/logd/LogKlog.cpp b/logd/LogKlog.cpp
index ab980ac..e4393a3 100644
--- a/logd/LogKlog.cpp
+++ b/logd/LogKlog.cpp
@@ -821,8 +821,7 @@
     }
 
     // Log message
-    int rc = logbuf->log(LOG_ID_KERNEL, now, uid, pid, tid, newstr,
-                         (unsigned short)n);
+    int rc = logbuf->log(LOG_ID_KERNEL, now, uid, pid, tid, newstr, (uint16_t)n);
 
     // notify readers
     if (rc > 0) {