BR 3392696: nasm_quote -- fixup callers

In 41e9682efe we've
changed the nasm_quote arguments still not all callers
were converted which could lead to nil dereference.

[hpa: no need to call strlen() for the asm/preproc.c chunk]

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

asm/nasm.c

@@ -454,6 +454,7 @@ static char *nasm_quote_filename(const char *fn)
 {
     const unsigned char *p =
         (const unsigned char *)fn;
+    size_t len;
 
     if (!p || !*p)
         return nasm_strdup("\"\"");
@@ -477,7 +478,8 @@ static char *nasm_quote_filename(const char *fn)
     return nasm_strdup(fn);
 
 quote:
-    return nasm_quote(fn, NULL);
+    len = strlen(fn);
+    return nasm_quote(fn, &len);
 }
 
 static void timestamp(void)

asm/preproc.c

@@ -797,7 +797,7 @@ Token *quote_token(Token *t)
  */
 static Token *quote_any_token(Token *t)
 {
-    size_t len;
+    size_t len = t->len;
     char *p;
 
     p = nasm_quote(tok_text(t), &len);