More error checks

Change-Id: Id2b9ab7a76bbdf2ed745f5e36e552dc9b101982f
diff --git a/rsType.cpp b/rsType.cpp
index 2a51335..c195b9b 100644
--- a/rsType.cpp
+++ b/rsType.cpp
@@ -136,7 +136,7 @@
     char buf[1024];
     ObjectBase::dumpLOGV(prefix);
     LOGV("%s   Type: x=%i y=%i z=%i mip=%i face=%i", prefix, mDimX, mDimY, mDimZ, mDimLOD, mFaces);
-    sprintf(buf, "%s element: ", prefix);
+    snprintf(buf, sizeof(buf), "%s element: ", prefix);
     mElement->dumpLOGV(buf);
 }