ci: fix yml file syntaxe

Refs #29

.gitlab-ci.yml

@@ -8,7 +8,7 @@ default:
     - echo "setwd(\"$(pwd)\")" > .Rprofile
     - PATH=~/R/sources/R-${R_VERSION}/bin:$PATH
     - rename "s/${R_VERSION}.airGRteaching/airGRteaching/" *.tar.gz
-    - R -e 'chooseCRANmirror(graphics = F, ind = 1); pkg <- c("dygraphs", "plotrix", "shiny", "shinyjs"); pkgInst <- installed.packages()[, "Package"]; pkgMiss <- setdiff(pkg, pkgInst); if (length(pkgMiss) > 0) install.packages(pkgMiss)'
+    - R -e 'chooseCRANmirror(graphics = FALSE, ind = 1); pkg <- c("dygraphs", "plotrix", "shiny", "shinyjs"); pkgInst <- installed.packages()[, "Package"]; pkgMiss <- setdiff(pkg, pkgInst); if (length(pkgMiss) > 0) install.packages(pkgMiss)'
 
 .update_packages:
   stage: update_packages
@@ -17,7 +17,6 @@ default:
       - tags
       - schedules
   script:
-    - 
     - Rscript -e "update.packages(ask=FALSE, repos=\"http://cran.r-project.org\")"
 
 .build: