Add `console_rexpaint.c` to autotools.
Resolves
@@ -58,6 +58,7 @@ libtcod_la_SOURCES = \
../../src/bsp_c.c \
../../src/color_c.c \
../../src/console_c.c \
+ ../../src/console_rexpaint.c \
../../src/fov_c.c \
../../src/fov_circular_raycasting.c \
../../src/fov_diamond_raycasting.c \
