terminal: move unifont-internal.h to unifont.h

All the definitions are for outside users, so drop the -internal suffix.
Internal definitions are in unifont-def.h and unifont.c, no need to share
those.

Makefile.am

@@ -3059,7 +3059,8 @@ libsystemd_terminal_la_SOURCES = \
 	src/libsystemd-terminal/term-parser.c \
 	src/libsystemd-terminal/term-screen.c \
 	src/libsystemd-terminal/term-wcwidth.c \
-	src/libsystemd-terminal/unifont-internal.h \
+	src/libsystemd-terminal/unifont.h \
+	src/libsystemd-terminal/unifont-def.h \
 	src/libsystemd-terminal/unifont.c
 
 libsystemd_terminal_la_LIBADD = \

src/libsystemd-terminal/test-unifont.c

@@ -30,7 +30,7 @@
 #include <string.h>
 #include "macro.h"
 #include "unifont-def.h"
-#include "unifont-internal.h"
+#include "unifont.h"
 #include "util.h"
 
 static void render(char *w, const unifont_glyph *g) {

src/libsystemd-terminal/unifont.c

@@ -37,7 +37,7 @@
 #include <unistd.h>
 #include "macro.h"
 #include "unifont-def.h"
-#include "unifont-internal.h"
+#include "unifont.h"
 #include "util.h"
 
 struct unifont {