changed length from int to size_t

dwmblocks/block.h

@@ -3,7 +3,7 @@ typedef struct {
         char *const pathc;
         const int interval;
         const int signal;
-        int length;
         char curtext[CMDOUTLENGTH + 1 + DELIMITERLENGTH];
         char prvtext[CMDOUTLENGTH + 1];
+        size_t length;
 } Block;