Merge pull request #517 from /issues/1.2.x-correlationId-synchronize

Protect correlationId with synchronization directive

Author: RPangrle

ADALiOS/ADALiOS/ADLogger.m

@@ -187,12 +187,18 @@ +(NSString*) getHash: (NSString*) input
 
 +(void) setCorrelationId: (NSUUID*) correlationId
 {
-    requestCorrelationId = correlationId;
+    @synchronized(self)
+    {
+        requestCorrelationId = correlationId;
+    }
 }
 
 +(NSUUID*) getCorrelationId
 {
-    return requestCorrelationId;
+    @synchronized(self)
+    {
+        return requestCorrelationId;
+    }
 }