Cycles: Code cleanup, spaces around keywords

This inconsistency drove me totally crazy, it's really confusing
when it's inconsistent especially when you work on both Cycles and
Blender sides.

Shouldn;t cause merge PITA, it's whitespace changes only, Git should
be able to merge it nicely.

intern/cycles/render/attribute.cpp

@@ -52,7 +52,7 @@ void Attribute::set(ustring name_, TypeDesc type_, AttributeElement element_)
 
 void Attribute::reserve(int numverts, int numtris, int numsteps, int numcurves, int numkeys, bool resize)
 {
-	if (resize) {
+	if(resize) {
 		buffer.resize(buffer_size(numverts, numtris, numsteps, numcurves, numkeys), 0);
 	}
 	else {