ci: bash mispelling

.gitlab-ci.yml

@@ -29,7 +29,7 @@ before_script:
 .check:
   stage: checks
   script:
-    - if [$AS_CRAN = "false" ]; then sudo apt-get install -y qpdf; fi
+    - if [ $AS_CRAN = "false" ]; then sudo apt-get install -y qpdf; fi
     - R -e 'devtools::check(check_dir = Sys.getenv("CHECK_DIR"), cran = !as.logical(Sys.getenv("AS_CRAN")), env_vars = c(NOT_CRAN = "true"))'
     - R -e 'if (length(devtools::check_failures(path = Sys.getenv("BUILD_LOGS_DIR"), note = FALSE)) > 0) stop()'