Add missing icons.png, use CPPFLAGS instead of CXXFLAGS in automake rules.

src/Makefile.am

@@ -14,5 +14,5 @@ liblol_a_SOURCES = \
     \
     debugfps.cpp debugfps.h debugsphere.cpp debugsphere.h \
     debugrecord.cpp debugrecord.h debugstats.cpp debugstats.h
-liblol_a_CXXFLAGS = @LOL_CFLAGS@
+liblol_a_CPPFLAGS = @LOL_CFLAGS@
 

tools/Makefile.am

@@ -2,7 +2,7 @@
 noinst_PROGRAMS = $(make_font)
 
 make_font_SOURCES = make-font.cpp
-make_font_CXXFLAGS = @CACA_CFLAGS@
+make_font_CPPFLAGS = @CACA_CFLAGS@
 make_font_LDFLAGS = @CACA_LIBS@
 
 if USE_CACA