fix: evade unused parameter check

Author: leejoey0921

src/linclust/kmermatcher.h

@@ -63,10 +63,10 @@ struct AdjacentSeqArray {
 // save memory when adjacent sequence is unused
 template <>
 struct AdjacentSeqArray<false> {
-    void setAdjacentSeq(const int index, const unsigned char val) {
+    void setAdjacentSeq(const int, const unsigned char) {
         Debug(Debug::ERROR) << "Invalid write attempt at adjacent sequence array";
     };
-    unsigned char getAdjacentSeq(int index) {
+    unsigned char getAdjacentSeq(int) {
         Debug(Debug::ERROR) << "Invalid read attempt at adjacent sequence array";
         return '\0';
     }