fixed warning and typo in comment

dlib/error.h

@@ -260,9 +260,7 @@ namespace dlib
             // them.
 #if defined(MATLAB_MEX_FILE)
             return;
-#endif
-
-
+#else
             static bool is_first_fatal_error = true;
             if (is_first_fatal_error == false)
             {
@@ -292,6 +290,7 @@ namespace dlib
                 std::set_terminate(&dlib_fatal_error_terminate);
             }
             is_first_fatal_error = false;
+#endif
         }
     };
 

dlib/matlab/subprocess_stream.h

@@ -93,7 +93,7 @@ namespace dlib
                 This is a tool for spawning a subprocess and communicating with it through
                 that processes standard input, output, and error.  Here is an example: 
 
-                    subprocess_stream s("/usr/bin/echo")
+                    subprocess_stream s("/usr/bin/echo");
                     s << "echo me this!";
                     string line;
                     getline(s, line);