Fix ImageWriter::ComputeEagerResolvedStringsCallback().

Change-Id: I1a2abd6d78dd7067d9bdbadbd81dd2fd7711fbc5
diff --git a/runtime/dex_file.h b/runtime/dex_file.h
index a71ca42..d8b1525 100644
--- a/runtime/dex_file.h
+++ b/runtime/dex_file.h
@@ -496,7 +496,7 @@
   const StringId* FindStringId(const char* string) const;
 
   // Looks up a string id for a given utf16 string.
-  const StringId* FindStringId(const uint16_t* string) const;
+  const StringId* FindStringId(const uint16_t* string, size_t length) const;
 
   // Returns the number of type identifiers in the .dex file.
   uint32_t NumTypeIds() const {