Cleanup casts.

Change-Id: I3bf33ca407cc3bee9f5c4c6f929cdb1421b92c50
diff --git a/native/jni/src/debug.h b/native/jni/src/debug.h
index 2432b1f..4e21640 100644
--- a/native/jni/src/debug.h
+++ b/native/jni/src/debug.h
@@ -58,7 +58,7 @@
 }
 
 static inline void printDebug(const char *tag, int *codes, int codesSize, int MAX_PROXIMITY_CHARS) {
-    unsigned char *buf = reinterpret_cast<unsigned char *>(malloc((1 + codesSize) * sizeof(*buf)));
+    unsigned char *buf = static_cast<unsigned char *>(malloc((1 + codesSize) * sizeof(*buf)));
 
     buf[codesSize] = 0;
     while (--codesSize >= 0) {