tweak: use else if instead of wrapped else, if

+formatting

src/wc.c

@@ -8,12 +8,10 @@ int wc(FILE* fp)
     while ((c = getc(fp)) != EOF) {
         if (c != ' ' && c != '\n' && c != '\t') {
             word = 1;
-        } else {
+        } else if (word) {
-            if (word) {
             num_words++;
             word = 0;
         }
-        }
     }
     num_words += word;
     printf("%i\n", num_words);