Fixed the " til " typos.

src/cc65/preproc.c

@@ -321,7 +321,7 @@ static void NewStyleComment (void)
 /* Remove a new style C comment from line. */
 {
     /* Beware: Because line continuation chars are handled when reading
-    ** lines, we may only skip til the end of the source line, which
+    ** lines, we may only skip until the end of the source line, which
     ** may not be the same as the end of the input line. The end of the
     ** source line is denoted by a lf (\n) character.
     */

src/cl65/spawn-amiga.inc

@@ -55,7 +55,7 @@
 int spawnvp (int Mode attribute ((unused)),
              const char* File attribute ((unused)),
              char* const argv [])
-/* Execute the given program searching and wait til it terminates. The Mode
+/* Execute the given program searching and wait until it terminates. The Mode
 ** argument is ignored (compatibility only). The result of the function is
 ** the return code of the program. The function will terminate the program
 ** on errors.

src/cl65/spawn-unix.inc

@@ -63,7 +63,7 @@
 
 
 int spawnvp (int Mode attribute ((unused)), const char* File, char* const argv [])
-/* Execute the given program searching and wait til it terminates. The Mode
+/* Execute the given program searching and wait until it terminates. The Mode
 ** argument is ignored (compatibility only). The result of the function is
 ** the return code of the program. The function will terminate the program
 ** on errors.

src/dbginfo/dbgsh.c

@@ -1885,7 +1885,7 @@ int main (int argc, char* argv[])
         ExecCmd (&Args, MainCmds, sizeof (MainCmds) / sizeof (MainCmds[0]));
     }
 
-    /* Loop til program end */
+    /* Loop until program end */
     while (!Terminate) {
 
         /* Output a prompt, then read the input */