usleep: fix compile errors

Update usleep.c to fix following compile error:

| usleep.c: In function 'main':
| usleep.c:47:43: error: passing argument 3 of 'poptGetContext' from incompatible pointer type [-Wincompatible-pointer-types]
|    47 |   optCon = poptGetContext("usleep", argc, argv, options,0);
|       |                                           ^~~~
|       |                                           |
|       |                                           char **
| In file included from usleep.c:29:
| /path_to/tmp-glibc/work/core2-64-wrs-linux/usleep/1.2/recipe-sysroot/usr/include/popt.h:217:41: note: expected 'const char **' but argument is of type 'char **'
|   217 |                 int argc, const char ** argv,
|       |                           ~~~~~~~~~~~~~~^~~~
| usleep.c:68:12: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
|    68 |   countStr = poptGetArg(optCon);
|       |            ^

Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/meta-oe/recipes-core/usleep/files/usleep.c b/meta-oe/recipes-core/usleep/files/usleep.c
index a5e7d9d715..dfa52ec19a 100644
--- a/meta-oe/recipes-core/usleep/files/usleep.c
+++ b/meta-oe/recipes-core/usleep/files/usleep.c
@@ -34,7 +34,7 @@ int main(int argc, char **argv) {
   int showVersion = 0;
   int showOot = 0;
   int rc;
-  char * countStr = NULL;
+  const char * countStr = NULL;
   struct poptOption options[] = {
             { "version", 'v', POPT_ARG_NONE, &showVersion, 0, 
                         "Display the version of this program, and exit" },
@@ -44,7 +44,7 @@ int main(int argc, char **argv) {
             { 0, 0, 0, 0, 0 }
         };
 
-  optCon = poptGetContext("usleep", argc, argv, options,0);
+  optCon = poptGetContext("usleep", argc, (const char **)argv, options,0);
   /*poptReadDefaultConfig(optCon, 1);*/
   poptSetOtherOptionHelp(optCon, "[microseconds]");