libtiff: build/gitlab-ci: fix coverity_build()

SDL Commits
1 
From 56aa5d01e69dbdbc31f30d39a7feb27d308889b6 Mon Sep 17 00:00:00 2001
From: Even Rouault <[EMAIL REDACTED]>
Date: Fri, 9 Jun 2023 14:55:58 +0200
Subject: [PATCH] build/gitlab-ci: fix coverity_build()

---
 build/gitlab-ci | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/build/gitlab-ci b/build/gitlab-ci
index c8331423..accacc63 100644
--- a/build/gitlab-ci
+++ b/build/gitlab-ci
@@ -57,6 +57,8 @@ cmake_build()
     cd cmake-test-build
     cmake -G "$1" -DCMAKE_BUILD_TYPE="$2" "-DTiff_DIR=$PWD/../cmake-install/lib/cmake/tiff" -S ../build/test_cmake -B .
     cmake --build .
+    # Return to cmake-build for coverity_build()
+    cd ../cmake-build
 }
 
 # Static-analysis with coverity