[PATCH] configure: Fix pkg_config --exists parameter

[Liran Alon]

pkg_config parameter should be "--exists", not "--exist".
This is probably a typo.

Fixes: 3a67848134d0 ("configure: Enable test and libs for zstd")
Reviewed-by: Bhavesh Davda <address@hidden>
Signed-off-by: Liran Alon <address@hidden>
---
 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index 50c4d96e2a8c..280f3654f786 100755
--- a/configure
+++ b/configure
@@ -2464,7 +2464,7 @@ fi
 # zstd check
 
 if test "$zstd" != "no" ; then
-    if $pkg_config --exist libzstd ; then
+    if $pkg_config --exists libzstd ; then
         zstd_cflags="$($pkg_config --cflags libzstd)"
         zstd_libs="$($pkg_config --libs libzstd)"
         LIBS="$zstd_libs $LIBS"
-- 
2.20.1