Ensure sync requests on main thread call blocks synchronously

Fix blocks test

@@ -24,7 +24,7 @@
 #import "ASIDataCompressor.h"
 
 // Automatically set on build
-NSString *ASIHTTPRequestVersion = @"v1.7-125 2010-10-31";
+NSString *ASIHTTPRequestVersion = @"v1.7-126 2010-10-31";
 
 NSString* const NetworkRequestErrorDomain = @"ASIHTTPRequestErrorDomain";
 
@@ -1672,7 +1672,7 @@ static NSOperationQueue *sharedQueue = nil;
 #if NS_BLOCKS_AVAILABLE
 - (void)performBlockOnMainThread:(ASIBasicBlock)block
 {
-	[self performSelectorOnMainThread:@selector(callBlock:) withObject:[[block copy] autorelease] waitUntilDone:NO];
+	[self performSelectorOnMainThread:@selector(callBlock:) withObject:[[block copy] autorelease] waitUntilDone:[NSThread isMainThread]];
 }
 
 - (void)callBlock:(ASIBasicBlock)block

@@ -69,9 +69,9 @@
 	GHAssertTrue(receivedHeaders,@"Failed to call received headers block");
 	GHAssertTrue(complete,@"Failed to call completed block");
 	
-	BOOL success = (totalBytesReceived == 130050);
+	BOOL success = (totalBytesReceived == 457);
 	GHAssertTrue(success,@"Failed to call bytes received block, or got wrong amount of data");
-	success = (totalDownloadSize == 130050);
+	success = (totalDownloadSize == 457);
 	GHAssertTrue(success,@"Failed to call download size increment block");
 	
 	success = (totalBytesSent == [dataToSend length]);