Fix build

Change-Id: I96a9c437eec53a285ac96794cc1ad0c8954b27e0
diff --git a/media/libstagefright/codecs/mp3dec/SoftMP3.cpp b/media/libstagefright/codecs/mp3dec/SoftMP3.cpp
index daef471..54fe622 100644
--- a/media/libstagefright/codecs/mp3dec/SoftMP3.cpp
+++ b/media/libstagefright/codecs/mp3dec/SoftMP3.cpp
@@ -122,7 +122,7 @@
 
 void *SoftMP3::memsetSafe(OMX_BUFFERHEADERTYPE *outHeader, int c, size_t len) {
     if (len > outHeader->nAllocLen) {
-        ALOGE("memset buffer too small: got %lu, expected %zu", outHeader->nAllocLen, len);
+        ALOGE("memset buffer too small: got %lu, expected %zu", (unsigned long)outHeader->nAllocLen, len);
         android_errorWriteLog(0x534e4554, "29422022");
         notify(OMX_EventError, OMX_ErrorUndefined, OUTPUT_BUFFER_TOO_SMALL, NULL);
         mSignalledError = true;