Enforce newline at the end of files

Ensure that all the files conform to the standard of having a newline
character at the end.

Link: https://medium.com/@alexey.inkin/how-to-force-newline-at-end-of-files-and-why-you-should-do-it-fdf76d1d090e

console.c

@@ -676,4 +676,4 @@ bool run_console(char *infile_name)
     }
 
     return err_cnt == 0;
-}
+}

linenoise.c

@@ -1383,4 +1383,4 @@ int line_history_load(const char *filename)
     }
     fclose(fp);
     return 0;
-}
+}

linenoise.h

@@ -76,4 +76,4 @@ void line_mask_mode_disable(void);
 }
 #endif
 
-#endif /* __LINENOISE_H */
+#endif /* __LINENOISE_H */

web.c

@@ -267,4 +267,4 @@ int web_eventmux(char *buf)
 
     FD_CLR(STDIN_FILENO, &listenset);
     return 0;
-}
+}

web.h

@@ -11,4 +11,4 @@ void web_send(int out_fd, char *buffer);
 
 int web_eventmux(char *buf);
 
-#endif
+#endif