signedness: module_param_array nump argument

... should be unsigned int

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c
index 0b67d4e..950da25 100644
--- a/drivers/media/video/pwc/pwc-if.c
+++ b/drivers/media/video/pwc/pwc-if.c
@@ -1903,9 +1903,9 @@
 static int mbufs;
 static int compression = -1;
 static int leds[2] = { -1, -1 };
-static int leds_nargs;
+static unsigned int leds_nargs;
 static char *dev_hint[MAX_DEV_HINTS];
-static int dev_hint_nargs;
+static unsigned int dev_hint_nargs;
 
 module_param(size, charp, 0444);
 module_param(fps, int, 0444);