Prefix all ivars with an underscore.

FossilOrigin-Name: 8c8a4313228bba7114d582a6802a2df53a1fb357f5c0805ae58531dd4c799d8c

exceptions/PGConnectionFailedException.m

@@ -3,19 +3,10 @@
 @implementation PGConnectionFailedException
 - (OFString*)description
 {
-	OFAutoreleasePool *pool;
-
-	if (description != nil)
-		return description;
-
-	pool = [[OFAutoreleasePool alloc] init];
-	description = [[OFString alloc] initWithFormat:
+	return [OFString stringWithFormat:
 	    @"Establishing a PostgreSQL connection in class %@ failed:\n%s\n"
-	    "Parameters: %@", inClass,
-	    PQerrorMessage([connection PG_connection]),
-	    [connection parameters]];
-	[pool release];
-
-	return description;
+	    "Parameters: %@", [self inClass],
+	    PQerrorMessage([_connection PG_connection]),
+	    [_connection parameters]];
 }
 @end