Fix compiler warnings

cpukit/libfs/src/rfs/rtems-rfs-format.c

@@ -48,7 +48,7 @@ rtems_rfs_bits_per_block (rtems_rfs_file_system* fs)
  * Return a rounded up integer quotient given a dividend and divisor. That is:
  * "quotient = dividend / divisor"
  */
-int
+static int
 rtems_rfs_rup_quotient (uint32_t dividend, uint32_t divisor)
 {
   if (dividend == 0)

cpukit/libmisc/shell/main_lsof.c

@@ -45,8 +45,8 @@ static void lsof(void)
       mt_entry->type,
       mt_entry->target,
       mt_entry->dev == NULL ? "none" : mt_entry->dev,
-      mt_entry->mt_fs_root,
-      mt_entry->mt_fs_root->location.node_access
+      (unsigned)mt_entry->mt_fs_root,
+      (unsigned)mt_entry->mt_fs_root->location.node_access
     );
 
     for (
@@ -55,13 +55,13 @@ static void lsof(void)
       mt_entry_node = rtems_chain_next( mt_entry_node )
     ) {
       const rtems_filesystem_location_info_t *loc =
-        (rtems_filesystem_location_info_t *) mt_entry_node;
+        (const rtems_filesystem_location_info_t *) mt_entry_node;
 
       fprintf(
         stdout,
         "\t0x%08x -> 0x%08x\n",
-        loc,
-        loc->node_access
+        (unsigned)loc,
+        (unsigned)loc->node_access
       );
     }
   }

cpukit/posix/src/cleanuppush.c

@@ -22,7 +22,7 @@
 #include <errno.h>
 
 #include <rtems/system.h>
-#include <rtems/score/chain.h>
+#include <rtems/score/chainimpl.h>
 #include <rtems/score/isr.h>
 #include <rtems/score/thread.h>
 #include <rtems/score/wkspace.h>