FIX: few additional castings to prevent compilation warnings

Author: Oldes

src/core/d-print.c

@@ -37,6 +37,7 @@
 */
 
 #include "sys-core.h"
+#include <wchar.h>
 
 static REBREQ *Req_SIO;
 
@@ -226,7 +227,7 @@ static REBREQ *Req_SIO;
 	if (Trace_Limit > 0) {
 		if (Trace_Buffer->tail >= Trace_Limit)
 			Remove_Series(Trace_Buffer, 0, 2000);
-		if (len == UNKNOWN) len = (REBINT)(uni ? wcslen(up) : LEN_BYTES(bp));
+		if (len == UNKNOWN) len = (REBINT)(uni ? wcslen((const wchar_t*)up) : LEN_BYTES(bp));
 		// !!! account for unicode!
 		for (; len > 0; len--) {
 			uc = uni ? *up++ : *bp++;

src/core/s-file.c

@@ -28,6 +28,7 @@
 ***********************************************************************/
 
 #include "sys-core.h"
+#include <wchar.h>
 
 #define FN_PAD 2	// pad file name len for adding /, /*, and /?
 

src/core/s-unicode.c

@@ -111,6 +111,7 @@
 ------------------------------------------------------------------------ */
 
 #include "sys-core.h"
+#include <wchar.h>
 
 
 /* ---------------------------------------------------------------------

src/core/t-date.c

@@ -462,7 +462,7 @@
 
 	if (!IS_END(arg)) return FALSE;
 
-	Normalize_Time(&secs, &day);
+	Normalize_Time(&secs, (REBINT*)&day);
 	date = Normalize_Date(day, month, year, tz);
 
 	VAL_SET(val, REB_DATE);

src/core/t-integer.c

@@ -119,7 +119,7 @@
 		break;
 
 	case A_MULTIPLY:
-		if (REB_I64_MUL_OF(num, arg, &p)) Trap0(RE_OVERFLOW);
+		if (REB_I64_MUL_OF(num, arg, (REBI64*)&p)) Trap0(RE_OVERFLOW);
 		num = p;
 		break;
 

src/os/posix/host-lib.c

@@ -986,7 +986,7 @@ static inline REBOOL Open_Pipe_Fails(int pipefd[2]) {
 			argv_new[argc + 2] = NULL;
 			execvp(sh, (char* const*)argv_new);
 		} else {
-			execvp(argv[0], argv);
+			execvp(argv[0], (char* const*)argv);
 		}
 child_error:
 		if(write(info_pipe[W], &errno, sizeof(errno)) == -1) {