Make sure that the fork option is handled correctly by vep.

Author: viklund

main.nf

@@ -373,7 +373,7 @@ process variant_effect_predictor {
         --total_length             \
         --canonical                \
         --ccds                     \
-        "\$( test "\$SLURM_CPUS_ON_NODE" -gt 1 && echo "--fork \$SLURM_CPUS_ON_NODE" )" \
+        \$( test "\$SLURM_CPUS_ON_NODE" -gt 1 && echo "--fork \$SLURM_CPUS_ON_NODE" ) \
         --fields Consequence,Codons,Amino_acids,Gene,SYMBOL,Feature,EXON,PolyPhen,SIFT,Protein_position,BIOTYPE \
         --assembly "\$ASSEMBLY" \
         --offline