DAOS-14532 gurt: Replace environment APIs hook

fix clang-format issue and integrate reviewers comments:
- Use local variable

Allow-unstable-test: true
Features: mpiio dfuse
Required-githooks: true
Signed-off-by: Cedric Koch-Hofer <cedric.koch-hofer@intel.com>

src/cart/crt_init.c

@@ -100,11 +100,12 @@ crt_lib_fini(void)
 static void
 dump_envariables(void)
 {
- int i;
- char *val;
+ int i;
 
  D_INFO("-- ENVARS: --\n");
  for (i = 0; i < ARRAY_SIZE(crt_env_names); i++) {
+ char *val = NULL;
+
  d_agetenv_str(&val, crt_env_names[i]);
  if (val == NULL)
  continue;

src/cart/utils/crt_utils.c

@@ -519,9 +519,9 @@ crtu_dc_mgmt_net_cfg_setenv(const char *name)
  }
 
  D_INFO("CaRT env setup with:\n"
-  "\tOFI_INTERFACE=%s, OFI_DOMAIN: %s, CRT_PHY_ADDR_STR: %s, "
-  "CRT_CTX_SHARE_ADDR: %s, CRT_TIMEOUT: %s\n",
-  ofi_interface, ofi_domain, crt_phy_addr_str, crt_ctx_share_addr, crt_timeout);
+  "\tOFI_INTERFACE=%s, OFI_DOMAIN: %s, CRT_PHY_ADDR_STR: %s, "
+  "CRT_CTX_SHARE_ADDR: %s, CRT_TIMEOUT: %s\n",
+  ofi_interface, ofi_domain, crt_phy_addr_str, crt_ctx_share_addr, crt_timeout);
 
 cleanup:
  d_freeenv_str(&ofi_domain_env);