fixed compile errors

src/Makefile

@@ -1,4 +1,4 @@
-OBJS=main.o sysinput.o ep_init.o ep_upiwin.o ep_backlight.o ep_upiwin_tmp.o ep_util.o fbinit.o fontengine.o 6fbprimitive.o \
+OBJS=main.o sysinput.o ep_init.o ep_upiwin.o ep_backlight.o ep_upiwin_tmp.o ep_util.o fbinit.o fontengine.o fbprimitive.o \
      log.o gpio.o msg_queue.o time_func.o config.o splash.o
 LIBS=-lpython3.7m -lcrypt -lfreetype -lbcm2835 -lpthread -ldl -lutil -lm
 CFLAGS=-I/usr/include/python3.7m -I/usr/include/freetype2 -I/usr/include/libpng16 \

src/fbprimitive.c

@@ -1,6 +1,9 @@
+#include <string.h>
 #include <alloca.h>
 #include "wintype.h"
 #include "fbinit.h"
+#include "fontengine.h"
+#include "fbprimitive.h"
 
 inline static PUINT16 loc_from_coords(INT32 x, INT32 y)
 {

src/fontengine.c

@@ -5,7 +5,7 @@
 #include "log.h"
 #include "fontengine.h"
 
-static FT_LIbrary library;
+static FT_Library library;
 static FT_Face stdfont;
 
 static void fonteng_cleanup(void)

src/main.c

@@ -7,6 +7,7 @@
 #include "log.h"
 #include "fbinit.h"
 #include "fbprimitive.h"
+#include "fontengine.h"
 #include "time_func.h"
 #include "ep_init.h"
 #include "sysinput.h"