kconfig: use xfwrite wrapper function to silence warnings

Use the xfwrite wrapper function defined in lkc.h to check the return value of
fwrite and silence these warnings.

  HOSTCC  scripts/kconfig/zconf.tab.o
scripts/kconfig/zconf.tab.c: In function 'header_print_comment':
/usr/src/lto/scripts/kconfig/confdata.c:551:10: warning: ignoring return value of 'fwrite', declared with attribute warn_unused_result
scripts/kconfig/zconf.tab.c: In function 'kconfig_print_comment':
/usr/src/lto/scripts/kconfig/confdata.c:467:10: warning: ignoring return value of 'fwrite', declared with attribute warn_unused_result

Signed-off-by: Peter Foley <pefoley2@verizon.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>

1 files changed, 2 insertions, 2 deletions

diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 5a58965d8800..7c7a5a6cc3f5 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -464,7 +464,7 @@ kconfig_print_comment(FILE *fp, const char *value, void *arg)
                 fprintf(fp, "#");
                 if (l) {
                         fprintf(fp, " ");
-                        fwrite(p, l, 1, fp);
+                        xfwrite(p, l, 1, fp);
                         p += l;
                 }
                 fprintf(fp, "\n");
@@ -537,7 +537,7 @@ header_print_comment(FILE *fp, const char *value, void *arg)
                 fprintf(fp, " *");
                 if (l) {
                         fprintf(fp, " ");
-                        fwrite(p, l, 1, fp);
+                        xfwrite(p, l, 1, fp);
                         p += l;
                 }
                 fprintf(fp, "\n");