attempt to fix crash when logging fail

bank_server/bank_server.manifest

@@ -1,7 +1,7 @@
 {
 	["manifestVersion"] = "1.0",
 	["package"] = "bank_server",
-	["version"] = "1.1.2",
+	["version"] = "1.1.3",
 	["name"] = "Bank server",
 	["repo"] = "tree/master/bank_server",
 	["description"] = "The bank server service",

bank_server/rc.d/bank_server.lua

@@ -46,7 +46,10 @@ local listenerThread
 ---------------------------------------
 
 local function log(msg)
-  if (verbose) then io.open("/tmp/bank_server.log", "a"):write("\n" .. msg):flush():close() end
+  if (verbose) then
+    local logFile = io.open("/tmp/bank_server.log", "a")
+    if (logFile) then logFile:write("\n" .. msg):flush():close() end
+  end
 end
 
 ---Send a message

packages/manifest

@@ -386,7 +386,7 @@
 	["bank_server"] = {
 		["manifestVersion"] = "1.0",
 		["package"] = "bank_server",
-		["version"] = "1.1.2",
+		["version"] = "1.1.3",
 		["name"] = "Bank server",
 		["repo"] = "tree/master/bank_server",
 		["description"] = "The bank server service",

programs.cfg

@@ -395,7 +395,7 @@
 		}
 	},
 	["bank_server"] = {
-		version = "1.1.2",
+		version = "1.1.3",
 		name = "Bank server",
 		repo = "tree/master/bank_server",
 		description = "The bank server service",