lib9/utf: bring C environment up to Unicode 6.3.0

LGTM=bradfitz
R=golang-codereviews, bradfitz
CC=golang-codereviews
https://golang.org/cl/68820043

src/lib9/utf/Makefile

@@ -21,10 +21,10 @@ runetypebody-%.h: mkrunetype UnicodeData-%.txt
 
 CLEANFILES+=UnicodeData.txt
 
-UNICODE_VERSION=6.2.0
+UNICODE_VERSION=6.3.0
 
 test: mkrunetype UnicodeData-$(UNICODE_VERSION).txt
 	mkrunetype -c UnicodeData-$(UNICODE_VERSION).txt
 
 clean:
-	rm -f UnicodeData.txt mkrunetype
\ No newline at end of file
+	rm -f UnicodeData.txt mkrunetype

src/lib9/utf/runetype.c

@@ -35,4 +35,4 @@ rbsearch(Rune c, Rune *t, int n, int ne)
 	return 0;
 }
 
-#include "runetypebody-6.2.0.h"
+#include "runetypebody-6.3.0.h"

src/lib9/utf/runetypebody-6.2.0.h → src/lib9/utf/runetypebody-6.3.0.h

-/* generated automatically by mkrunetype.c from UnicodeData-6.2.0.txt */
+/* generated automatically by mkrunetype.c from UnicodeData-6.3.0.txt */
 
 static Rune __isspacer[] = {
 	0x0009, 0x000d,
@@ -6,7 +6,6 @@ static Rune __isspacer[] = {
 	0x0085, 0x0085,
 	0x00a0, 0x00a0,
 	0x1680, 0x1680,
-	0x180e, 0x180e,
 	0x2000, 0x200a,
 	0x2028, 0x2029,
 	0x202f, 0x202f,