astyle fix

Author: paul-szczepanek-arm

platform/include/platform/CircularBuffer.h

@@ -208,7 +208,7 @@ class CircularBuffer {
 
         core_util_critical_section_enter();
 
-        if(!non_critical_empty()) {
+        if (!non_critical_empty()) {
             /* make sure we only try to read as much as we have items present */
             if (len > non_critical_size()) {
                 len = non_critical_size();