strv: add strv_print

Clearer, and spares the temp variable.

src/shared/strv.c

@@ -774,3 +774,13 @@ char **strv_sort(char **l) {
         qsort(l, strv_length(l), sizeof(char*), str_compare);
         return l;
 }
+
+void strv_print(char **l) {
+        char **s;
+
+        if (!l)
+                return;
+
+        STRV_FOREACH(s, l)
+                puts(*s);
+}

src/shared/strv.h

@@ -87,3 +87,4 @@ bool strv_overlap(char **a, char **b);
 
 
 char **strv_sort(char **l);
+void strv_print(char **l);