Remove unnecessary casts in free() and pfree()

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/cf26e970-8e92-59f1-247a-aa265235075b%40enterprisedb.com

contrib/sepgsql/label.c

@@ -662,28 +662,28 @@ quote_object_name(const char *src1, const char *src2,
 		temp = quote_identifier(src1);
 		appendStringInfoString(&result, temp);
 		if (src1 != temp)
-			pfree((void *) temp);
+			pfree(temp);
 	}
 	if (src2)
 	{
 		temp = quote_identifier(src2);
 		appendStringInfo(&result, ".%s", temp);
 		if (src2 != temp)
-			pfree((void *) temp);
+			pfree(temp);
 	}
 	if (src3)
 	{
 		temp = quote_identifier(src3);
 		appendStringInfo(&result, ".%s", temp);
 		if (src3 != temp)
-			pfree((void *) temp);
+			pfree(temp);
 	}
 	if (src4)
 	{
 		temp = quote_identifier(src4);
 		appendStringInfo(&result, ".%s", temp);
 		if (src4 != temp)
-			pfree((void *) temp);
+			pfree(temp);
 	}
 	return result.data;
 }

src/backend/utils/fmgr/dfmgr.c

@@ -240,7 +240,7 @@ internal_load_library(const char *libname)
 		if (file_scanner->handle == NULL)
 		{
 			load_error = dlerror();
-			free((char *) file_scanner);
+			free(file_scanner);
 			/* errcode_for_file_access might not be appropriate here? */
 			ereport(ERROR,
 					(errcode_for_file_access(),
@@ -263,7 +263,7 @@ internal_load_library(const char *libname)
 
 				/* try to close library */
 				dlclose(file_scanner->handle);
-				free((char *) file_scanner);
+				free(file_scanner);
 
 				/* issue suitable complaint */
 				incompatible_module_error(libname, &module_magic_data);
@@ -273,7 +273,7 @@ internal_load_library(const char *libname)
 		{
 			/* try to close library */
 			dlclose(file_scanner->handle);
-			free((char *) file_scanner);
+			free(file_scanner);
 			/* complain */
 			ereport(ERROR,
 					(errmsg("incompatible library \"%s\": missing magic block",