differences are not sensible; remove.

Reference: /n/atom/patch/applied2013/u32sync
Date: Wed Jun 19 06:02:58 CES 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/src/libc/port/u32.c	Wed Jun 19 06:02:48 2013
+++ /sys/src/libc/port/u32.c	Wed Jun 19 06:02:48 2013
@@ -1,21 +1,21 @@
 #include <u.h>
 #include <libc.h>
-static char t32e[] = "23456789abcdefghijkmnpqrstuvwxyz";
 
 int
 dec32(uchar *dest, int ndest, char *src, int nsrc)
 {
-	char *s;
+	char *s, *tab;
 	uchar *start;
 	int i, u[8];
 
 	if(ndest+1 < (5*nsrc+7)/8)
 		return -1;
 	start = dest;
+	tab = "23456789abcdefghijkmnpqrstuvwxyz";
 	while(nsrc>=8){
 		for(i=0; i<8; i++){
-			s = strchr(t32e,(int)src[i]);
-			u[i] = s ? s-t32e : 0;
+			s = strchr(tab,(int)src[i]);
+			u[i] = s ? s-tab : 0;
 		}
 		*dest++ = (u[0]<<3) | (0x7 & (u[1]>>2));
 		*dest++ = ((0x3 & u[1])<<6) | (u[2]<<1) | (0x1 & (u[3]>>4));
@@ -29,8 +29,8 @@
 		if(nsrc == 1 || nsrc == 3 || nsrc == 6)
 			return -1;
 		for(i=0; i<nsrc; i++){
-			s = strchr(t32e,(int)src[i]);
-			u[i] = s ? s-t32e : 0;
+			s = strchr(tab,(int)src[i]);
+			u[i] = s ? s-tab : 0;
 		}
 		*dest++ = (u[0]<<3) | (0x7 & (u[1]>>2));
 		if(nsrc == 2)
@@ -50,59 +50,60 @@
 int
 enc32(char *dest, int ndest, uchar *src, int nsrc)
 {
-	char *start;
+	char *tab, *start;
 	int j;
 
 	if(ndest <= (8*nsrc+4)/5 )
 		return -1;
 	start = dest;
+	tab = "23456789abcdefghijkmnpqrstuvwxyz";
 	while(nsrc>=5){
 		j = (0x1f & (src[0]>>3));
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		j = (0x1c & (src[0]<<2)) | (0x03 & (src[1]>>6));
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		j = (0x1f & (src[1]>>1));
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		j = (0x10 & (src[1]<<4)) | (0x0f & (src[2]>>4));
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		j = (0x1e & (src[2]<<1)) | (0x01 & (src[3]>>7));
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		j = (0x1f & (src[3]>>2));
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		j = (0x18 & (src[3]<<3)) | (0x07 & (src[4]>>5));
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		j = (0x1f & (src[4]));
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		src  += 5;
 		nsrc -= 5;
 	}
 	if(nsrc){
 		j = (0x1f & (src[0]>>3));
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		j = (0x1c & (src[0]<<2));
 		if(nsrc == 1)
 			goto out;
 		j |= (0x03 & (src[1]>>6));
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		j = (0x1f & (src[1]>>1));
 		if(nsrc == 2)
 			goto out;
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		j = (0x10 & (src[1]<<4));
 		if(nsrc == 3)
 			goto out;
 		j |= (0x0f & (src[2]>>4));
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		j = (0x1e & (src[2]<<1));
 		if(nsrc == 4)
 			goto out;
 		j |= (0x01 & (src[3]>>7));
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		j = (0x1f & (src[3]>>2));
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 		j = (0x18 & (src[3]<<3));
 out:
-		*dest++ = t32e[j];
+		*dest++ = tab[j];
 	}
 	*dest = 0;
 	return dest-start;