Move <string.h> inclusion to compiler.h

There is absolutely no reason not to include <string.h> globally, and
with the inline function for mempcpy() we need it there anyway.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

output/outaout.c

@@ -40,7 +40,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
 
 #include "nasm.h"

output/outas86.c

@@ -40,7 +40,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
 
 #include "nasm.h"

output/outbin.c

@@ -77,7 +77,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
 
 #include "nasm.h"

output/outcoff.c

@@ -40,7 +40,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
 #include <time.h>
 

output/outdbg.c

@@ -40,7 +40,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
 #include <errno.h>
 

output/outform.c

@@ -41,7 +41,6 @@
 #include "compiler.h"
 
 #include <stdio.h>
-#include <string.h>
 
 #define BUILD_DRIVERS_ARRAY
 #include "outform.h"

output/outieee.c

@@ -69,7 +69,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <time.h>
 #include <stdarg.h>             /* Note: we need the ANSI version of stdarg.h */
 #include <ctype.h>

output/outmacho.c

@@ -40,7 +40,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
 
 #include "nasm.h"

output/outobj.c

@@ -40,7 +40,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
 #include <limits.h>
 

output/outrdf2.c

@@ -41,7 +41,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
 #include <assert.h>