Fix error check code in osproc (#13090) [backport]

demotomohiro · Araq · commit a33b72af4960 · 2020-01-09T18:00:41.000+01:00
diff --git a/lib/pure/osproc.nim b/lib/pure/osproc.nim
@@ -539,7 +539,7 @@ when defined(Windows) and not defined(useNimRtl):
       FILE_ATTRIBUTE_NORMAL,
       0 # no template file for OPEN_EXISTING
     )
-    if si.hStdOutput == INVALID_HANDLE_VALUE:
+    if si.hStdInput == INVALID_HANDLE_VALUE:
       raiseOSError(osLastError())
 
     stdin = myDup(pipeIn, 0)

Original file line number	Diff line number	Diff line change
`@@ -539,7 +539,7 @@ when defined(Windows) and not defined(useNimRtl):`
`539`	`539`	`FILE_ATTRIBUTE_NORMAL,`
`540`	`540`	`0 # no template file for OPEN_EXISTING`
`541`	`541`	`)`
`542`		`- if si.hStdOutput == INVALID_HANDLE_VALUE:`
	`542`	`+ if si.hStdInput == INVALID_HANDLE_VALUE:`
`543`	`543`	`raiseOSError(osLastError())`
`544`	`544`
`545`	`545`	`stdin = myDup(pipeIn, 0)`