Merged revisions 4894 via svnmerge from

svn+ssh://[email protected]/FPC/svn/fpc/trunk

........
  r4894 | marco | 2006-10-14 00:29:08 +0200 (Sat, 14 Oct 2006) | 2 lines
  
   * fix for popen brokenness
........

git-svn-id: branches/fixes_2_0@4914 -

rtl/unix/unix.pp

@@ -828,7 +828,7 @@ begin
             close(pipo);
 {$endif USE_VFORK}
           end;
-        if ret=1 then
+        if ret=-1 then
          fpexit(127);
       end;
      {$if defined(FPC_USE_FPEXEC) and not defined(USE_VFORK)}
@@ -942,7 +942,7 @@ begin
             close(pipo);
 {$endif USE_VFORK}
           end;
-        if ret=1 then
+        if ret=-1 then
          fpexit(127);
       end;
      {$if defined(FPC_USE_FPEXEC) and not defined(USE_VFORK)}