Fix sf9 to ignore slot 0

It used to read uninitialized data at SLOT_BASE[0].

git-svn-id: svn://kolibrios.org@9964 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/trunk/docs/sysfuncs.txt

@@ -344,7 +344,7 @@ Remarks:
   * Slot 1 corresponds to special system thread, for which:
     * the window is in the bottom of the window stack, the fields
       +4 and +6 contain value 1
-    * name of the process - "OS/IDLE" (supplemented by spaces)
+    * name of the process - "IDLE" (supplemented by spaces)
     * address of the process in memory is 0, size of used memory is
       16 Mb (0x1000000)
     * PID=1
@@ -354,7 +354,8 @@ Remarks:
     * the execution time adds of time leaving on operations itself
       and idle time in waiting for interrupt (which can be got by call
       to subfunction 4 of function 18).
-  * Beginning from slot 2, the normal applications are placed.
+  * Slot 2 (and some others) correspond to system threads, for which:
+    * name of the thread - "OS" (supplemented by spaces)
   * The normal applications are placed in memory at the address
     0 (kernel constant 'std_application_base_address').
     There is no intersection, as each process has its own page table.