Update posix.cfg

Author: chrchr-github

cfg/posix.cfg

@@ -4638,15 +4638,14 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
     </arg>
     <arg nr="2" direction="in">
-      <not-null/>
+      <not-uninit/>
     </arg>
   </function>
   <function name="pthread_cond_destroy">
     <returnValue type="int"/>
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="1" direction="in">
-      <not-null/>
       <not-uninit/>
     </arg>
   </function>
@@ -4658,7 +4657,6 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-uninit/>
     </arg>
     <arg nr="2">
-      <not-null/>
       <not-uninit/>
     </arg>
   </function>