Merge pull request #19 from zeckalpha/feature/c-small-fixes

Two very unimportant changes: a typo and dead code.

src/main.c

@@ -77,7 +77,7 @@ static int runRepl(WrenVM* vm)
     size_t size = 0;
     getline(&line, &size, stdin);
 
-    // If stdin was closed (usually meaning the used entered Ctrl-D), exit.
+    // If stdin was closed (usually meaning the user entered Ctrl-D), exit.
     if (feof(stdin))
     {
       printf("\n");

src/wren_compiler.c

@@ -97,7 +97,7 @@ typedef enum
   TOKEN_EOF
 } TokenType;
 
-typedef struct Token_s
+typedef struct
 {
   TokenType type;