Move the try catch when parsing overo files

ground/openpilotgcs/src/plugins/uavobjects/uavobjecttemplate.m

@@ -75,6 +75,7 @@ startTime=clock;
 while (1)
 	if (feof(fid)); break; end
 
+	try
 	%% Read message header
 	% get sync field (0x3C, 1 byte)
 	sync = fread(fid, 1, 'uint8');
@@ -109,7 +110,7 @@ while (1)
 	end
 	
 	%% Read object
-	try
+
 	switch objID
 $(SWITCHCODE)
 		otherwise