shared: use the correct delete for array

to silence libasan on libtracker.so

Change-Id: I7c634271f4ec2b4ca0d5f76c18ddbfc7dddf2793
Reviewed-on: https://review.haiku-os.org/c/haiku/+/8910
Reviewed-by: Axel Dörfler <[email protected]>

src/kits/shared/SettingsHandler.cpp

@@ -99,7 +99,7 @@ ArgvParser::MakeArgvEmpty()
 {
 	// done with current argv, free it up
 	for (int32 index = 0; index < fArgc; index++)
-		delete fCurrentArgv[index];
+		delete[] fCurrentArgv[index];
 
 	fArgc = 0;
 }