restrict -> pg_restrict

So that it works on MSVC, too.

Author: Michaël Paquier
Discussion: https://postgr.es/m/29889.1520968202@sss.pgh.pa.us

src/common/string.c

@@ -47,7 +47,7 @@ pg_str_endswith(const char *str, const char *end)
  * strtoint --- just like strtol, but returns int not long
  */
 int
-strtoint(const char *restrict str, char **restrict endptr, int base)
+strtoint(const char *pg_restrict str, char **pg_restrict endptr, int base)
 {
 	long		val;
 

src/include/common/string.h

@@ -11,6 +11,7 @@
 #define COMMON_STRING_H
 
 extern bool pg_str_endswith(const char *str, const char *end);
-extern int strtoint(const char *restrict str, char **restrict endptr, int base);
+extern int strtoint(const char *pg_restrict str, char **pg_restrict endptr,
+					int base);
 
 #endif							/* COMMON_STRING_H */