Cmake fix

Fix a CMake link issue when using shared libs

maestro/pool_client.c

@@ -10,6 +10,7 @@
 #include "maestro/i_ofi.h"
 #include "maestro/i_statistics.h"
 #include "i_subscription_registry.h"
+#include "maestro/i_misc.h"
 
 #include <unistd.h>
 #include <inttypes.h>
@@ -320,7 +321,7 @@ mstro_pc__construct_gfs_path_for_cdo(const mstro_cdo src_cdo,
 
   /* make the directory path */
   WITH_CDO_ID_STR(idstr, &src_cdo->gid, {
-    int n = snprintf(*path, l1, "%s%" PRIappid "/%s/",
+    size_t n = snprintf(*path, l1, "%s%" PRIappid "/%s/",
                      g_mstro_transport_gfs_dir,
                      g_pool_app_id,
                      idstr);
@@ -338,7 +339,7 @@ mstro_pc__construct_gfs_path_for_cdo(const mstro_cdo src_cdo,
 
   /* this time make the file path */
   WITH_CDO_ID_STR(idstr, &src_cdo->gid, {
-    int n = snprintf(*path, l, "%s%" PRIappid "/%s/%" PRIlocalid,
+    size_t n = snprintf(*path, l, "%s%" PRIappid "/%s/%" PRIlocalid,
                      g_mstro_transport_gfs_dir,
                      g_pool_app_id,
                      idstr,