Fixup warnings and undefined operations that show up in gcc-3.1

-Erik

coreutils/md5sum.c

@@ -434,7 +434,7 @@ static void md5_process_block(const void *buffer, size_t len, struct md5_ctx *ct
 		temp += FI(B,C,D);
 	}
 	temp += cwp[(int)(*pp++)] + *pc++;
-	temp = CYCLIC (temp, ps[i&3]);
+	CYCLIC (temp, ps[i&3]);
 	temp += B;
 	A = D; D = C; C = B; B = temp;
     }
@@ -443,7 +443,7 @@ static void md5_process_block(const void *buffer, size_t len, struct md5_ctx *ct
 
     for ( i = 0 ; i < 16 ; i++ ) {
 	temp = A + FF(B,C,D) + cwp[(int)(*pp++)] + *pc++;
-	temp = CYCLIC (temp, ps[i&3]);
+	CYCLIC (temp, ps[i&3]);
 	temp += B;
 	A = D; D = C; C = B; B = temp;
     }
@@ -451,21 +451,21 @@ static void md5_process_block(const void *buffer, size_t len, struct md5_ctx *ct
     ps += 4;
     for ( i = 0 ; i < 16 ; i++ ) {
 	temp = A + FG(B,C,D) + cwp[(int)(*pp++)] + *pc++;
-	temp = CYCLIC (temp, ps[i&3]);
+	CYCLIC (temp, ps[i&3]);
 	temp += B;
 	A = D; D = C; C = B; B = temp;
     }
     ps += 4;
     for ( i = 0 ; i < 16 ; i++ ) {
 	temp = A + FH(B,C,D) + cwp[(int)(*pp++)] + *pc++;
-	temp = CYCLIC (temp, ps[i&3]);
+	CYCLIC (temp, ps[i&3]);
 	temp += B;
 	A = D; D = C; C = B; B = temp;
     }
     ps += 4;
     for ( i = 0 ; i < 16 ; i++ ) {
 	temp = A + FI(B,C,D) + cwp[(int)(*pp++)] + *pc++;
-	temp = CYCLIC (temp, ps[i&3]);
+	CYCLIC (temp, ps[i&3]);
 	temp += B;
 	A = D; D = C; C = B; B = temp;
     }

coreutils/uuencode.c

@@ -21,6 +21,7 @@
  */
 #include <getopt.h>
 #include <stdio.h>
+#include <string.h>
 #include <stdlib.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -49,7 +50,7 @@ static char tbl_std[65] = {
 	'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
 	'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
 	'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
-	'\`' /* termination character */
+	'`' /* termination character */
 };
 
 /*