fix "Ambiuous" typo in interface instead of "Ambiguous"

core/include/SourcetrailDBWriter.h

@@ -362,7 +362,7 @@ namespace sourcetrail
 		*
 		*  return: true if successful. false on failure. getLastError() provides the error message.
 		*/
-		bool recordReferenceIsAmbiuous(int referenceId);
+		bool recordReferenceIsAmbiguous(int referenceId);
 
 		/**
 		* Stores a location between a specific context and an "unsolved" symbol to the database

core/src/SourcetrailDBWriter.cpp

@@ -462,7 +462,7 @@ namespace sourcetrail
 		}
 	}
 
-	bool SourcetrailDBWriter::recordReferenceIsAmbiuous(int referenceId)
+	bool SourcetrailDBWriter::recordReferenceIsAmbiguous(int referenceId)
 	{
 		if (!m_storage)
 		{