fix differing types

Author: jamorrison

dupsifter.c

@@ -762,7 +762,7 @@ uint64_t get_packed_barcode(bam1_t *read1, ds_conf_t *conf) {
     // This could be a corrected sequence, which should hopefully avoid any basecalling errors
     s = bam_aux_get(read1, "CB");
     if (s) {
-        char *full = s+1;
+        uint8_t *full = s+1;
         s++;
         while (*s) {
             if (*s != 'A' && *s != 'C' && *s != 'G' && *s != 'T' && *s != '+' && *s != '-') {
@@ -789,7 +789,7 @@ uint64_t get_packed_barcode(bam1_t *read1, ds_conf_t *conf) {
     // If CB cannot be found, try finding the CR tag, which is the uncorrected sequence that comes off the sequencer
     s = bam_aux_get(read1, "CR");
     if (s) {
-        char *full = s+1;
+        uint8_t *full = s+1;
         s++;
         while (*s) {
             if (*s != 'A' && *s != 'C' && *s != 'G' && *s != 'T' && *s != '+' && *s != '-') {