qemu-config: comment spell fix

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/qemu-config.c b/qemu-config.c
index b00aa3a..c63741c 100644
--- a/qemu-config.c
+++ b/qemu-config.c
@@ -306,7 +306,7 @@
             .name = "file",
             .type = QEMU_OPT_STRING,
         },
-        { /* end if list */ }
+        { /* end of list */ }
     },
 };
 #endif
@@ -436,7 +436,7 @@
             .name = "playback-compression",
             .type = QEMU_OPT_BOOL,
         },
-        { /* end if list */ }
+        { /* end of list */ }
     },
 };
 
@@ -452,7 +452,7 @@
             .name = "romfile",
             .type = QEMU_OPT_STRING,
         },
-        { /* end if list */ }
+        { /* end of list */ }
     },
 };