Added -finalize methods for GC compatibility

src/FMDatabase.m

@@ -21,6 +21,10 @@ - (id)initWithPath:(NSString*)aPath {
 	return self;
 }
 
+- (void)finalize {
+	[self close];
+}
+
 - (void)dealloc {
 	[self close];
     
@@ -722,6 +726,10 @@ - (void)setCachedStatements:(NSMutableDictionary *)value {
 
 @implementation FMStatement
 
+- (void)finalize {
+	[self close];
+}
+
 - (void)dealloc {
 	[self close];
     [query release];

src/FMResultSet.m

@@ -19,6 +19,10 @@ + (id)resultSetWithStatement:(FMStatement *)statement usingParentDatabase:(FMDat
     return [rs autorelease];
 }
 
+- (void)finalize {
+	[self close];
+}
+
 - (void)dealloc {
     [self close];