Merge pull request #3910 from grandixximo/fix/warning-non-RTAI-build

fixes warnings on non RTAI builds

Author: andypugh

src/hal/hal_lib.c

@@ -1907,6 +1907,7 @@ int hal_export_functf(void (*funct) (void *, long),
 int hal_export_funct(const char *name, void (*funct) (void *, long),
     void *arg, int uses_fp, int reentrant, int comp_id)
 {
+    (void)uses_fp;
     rtapi_intptr_t *prev, next;
     int cmp;
     hal_funct_t *new, *fptr;
@@ -2034,6 +2035,7 @@ int hal_export_funct(const char *name, void (*funct) (void *, long),
 
 int hal_create_thread(const char *name, unsigned long period_nsec, int uses_fp)
 {
+    (void)uses_fp;
     int next, cmp, prev_priority;
     int retval, n;
     hal_thread_t *new, *tptr;

src/rtapi/uspace_rtapi_app.cc

@@ -957,7 +957,7 @@ int RtapiApp::allocate_task_id()
 }
 
 int RtapiApp::task_new(void (*taskcode) (void*), void *arg,
-        int prio, int owner, unsigned long int stacksize, int uses_fp) {
+        int prio, int owner, unsigned long int stacksize, int /*uses_fp*/) {
   /* check requested priority */
   if (!prio_check(prio))
   {