src: Configuration file processing bug fix

If configuration file not found NLSR should exit immediately. But It was not.
So fixed it by returning before loading if file not found.

Change-Id: Id824a2fab0c4556e6b45b928758b065c1fa5dc6f
diff --git a/src/conf-file-processor.cpp b/src/conf-file-processor.cpp
index d2b1881..d07b2e2 100644
--- a/src/conf-file-processor.cpp
+++ b/src/conf-file-processor.cpp
@@ -50,7 +50,7 @@
     string msg = "Failed to read configuration file: ";
     msg += m_confFileName;
     cerr << msg << endl;
-    ret = false;
+    return false;
   }
   ret = load(inputFile);
   inputFile.close();
diff --git a/src/main.cpp b/src/main.cpp
index 8a7e439..f7ba8b0 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -60,8 +60,7 @@
   }
   ConfFileProcessor cfp(nlsr, nlsr.getConfFileName());
   if(!cfp.processConfFile()) {
-    std::cerr << "Error in configuration file processing! Exiting from NLSR" <<
-              std::endl;
+    std::cerr << "Error in configuration file processing! Exiting from NLSR" << std::endl;
     return EXIT_FAILURE;
   }
   INIT_LOGGERS(nlsr.getConfParameter().getLogDir());