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>

asm/assemble.c

@@ -178,7 +178,6 @@
 #include "compiler.h"
 
 #include <stdio.h>
-#include <string.h>
 #include <stdlib.h>
 
 #include "nasm.h"

asm/directiv.c

@@ -38,7 +38,6 @@
 #include "compiler.h"
 
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
 #include <limits.h>
 

asm/eval.c

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

asm/float.c

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

asm/labels.c

@@ -38,7 +38,6 @@
 #include "compiler.h"
 
 #include <stdio.h>
-#include <string.h>
 #include <stdlib.h>
 
 #include "nasm.h"

asm/listing.c

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

asm/nasm.c

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

asm/parser.c

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

asm/pragma.c

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

asm/preproc-nop.c

@@ -42,7 +42,6 @@
 #include <stdio.h>
 #include <stdarg.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
 #include <limits.h>
 #include <time.h>

asm/preproc.c

@@ -66,7 +66,6 @@
 #include <stdarg.h>
 #include <stdlib.h>
 #include <stddef.h>
-#include <string.h>
 #include <ctype.h>
 #include <limits.h>
 

asm/srcfile.c

@@ -37,7 +37,6 @@
 
 #include "compiler.h"
 
-#include <string.h>
 #include <inttypes.h>
 
 #include "nasmlib.h"

asm/stdscan.c

@@ -35,7 +35,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
 
 #include "nasm.h"