staging: easycap: fix sparse warnings :conversion of int to enum

easycap_settings.c:587:58: warning: conversion of
easycap_settings.c:587:58:     unsigned int to
easycap_settings.c:587:58:     int enum v4l2_field
easycap_settings.c:593:63: warning: conversion of
easycap_settings.c:593:63:     unsigned int to
easycap_settings.c:593:63:     int enum v4l2_colorspace

Cc: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/easycap/easycap_settings.c

@@ -316,10 +316,10 @@ fillin_formats(void)
 {
 int i, j, k, m, n;
 __u32 width, height, pixelformat, bytesperline, sizeimage;
-__u32 field, colorspace;
+enum v4l2_field field;
+enum v4l2_colorspace colorspace;
 __u16 mask1, mask2, mask3, mask4;
 char name1[32], name2[32], name3[32], name4[32];
-
 for (i = 0, n = 0; i < STANDARD_MANY; i++) {
 	mask1 = 0x0000;
 	switch (i) {