stringtie nf scripts : correct log.info

src/nf_modules/stringtie/transcriptome_longReads.nf

 params.bam = "$baseDir/data/bam/*.bam"
 
-log.info "fastq files : ${params.fastq}"
+log.info "fastq files : ${params.bam}"
 
 Channel
   .fromPath( params.bam )

src/nf_modules/stringtie/transcriptome_shortReads.nf

 params.bam = "$baseDir/data/bam/*.bam"
 
-log.info "fastq files : ${params.fastq}"
+log.info "fastq files : ${params.bam}"
 
 Channel
   .fromPath( params.bam )