(Fcall_process): Fix previous change.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/callproc.c b/src/callproc.c
index ddc134658ca..f671c044419 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -787,7 +787,12 @@ usage: (call-process PROGRAM &optional INFILE BUFFER DISPLAY &rest ARGS)  */)
                 size = decoding_buffer_size (&process_coding, nread);
                 decoding_buf = (char *) xmalloc (size);
                 
-                if (CODING_REQUIRE_DETECTION (&process_coding))
+                /* We can't use the macro CODING_REQUIRE_DETECTION
+                   because it always returns nonzero if the coding
+                   system requires EOL detection.  Here, we have to
+                   check only whether or not the coding system
+                   requires text-encoding detection.  */
+                if (process_coding.type == coding_type_undecided)
                   {
                     detect_coding (&process_coding, bufptr, nread);
                     if (process_coding.composing != COMPOSITION_DISABLED)