asm-*/compat.h: fix typo in comment

Signed-off-by: Marcin Ślusarz <marcin.slusarz@gmail.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/include/asm-ia64/compat.h b/include/asm-ia64/compat.h
index 0f6e526..dfcf75b 100644
--- a/include/asm-ia64/compat.h
+++ b/include/asm-ia64/compat.h
@@ -181,7 +181,7 @@
 /*
  * A pointer passed in from user mode. This should not be used for syscall parameters,
  * just declare them as pointers because the syscall entry code will have appropriately
- * comverted them already.
+ * converted them already.
  */
 typedef	u32		compat_uptr_t;