[AGPGART] Lots of CodingStyle/whitespace cleanups.

Eliminate trailing whitespace.
s/if(/if (/
s/for(/for (/

Signed-off-by: Dave Jones <davej@redhat.com>
diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c
index b02fc22..5a31ec7 100644
--- a/drivers/char/agp/ali-agp.c
+++ b/drivers/char/agp/ali-agp.c
@@ -147,7 +147,7 @@
 
 	if (!addr)
 		return NULL;
-	
+
 	pci_read_config_dword(agp_bridge->dev, ALI_CACHE_FLUSH_CTRL, &temp);
 	pci_write_config_dword(agp_bridge->dev, ALI_CACHE_FLUSH_CTRL,
 			(((temp & ALI_CACHE_FLUSH_ADDR_MASK) |