Fix missing case break in NumPy to C array handler.

This would corrupt int8 NumPy arrays when written to from C.

Author: HexDecimal

CHANGELOG.rst

@@ -8,6 +8,8 @@ v2.0.0
 
 Unreleased
 ------------------
+Fixed
+ - `tcod.path.dijkstra2d`, fixed corrupted output with int8 arrays.
 
 11.15.1 - 2020-07-26
 --------------------

tcod/path.c

@@ -92,6 +92,7 @@ static void set_array_int64(
   switch (arr->type) {
     case np_int8:
       *(int8_t*)ptr = (int8_t)value;
+      return;
     case np_int16:
       *(int16_t*)ptr = (int16_t)value;
       return;