all: remove intermediate handling for both global definition syntaxes (#6546)

vlib/builtin/builtin.v

@@ -3,8 +3,10 @@
 // that can be found in the LICENSE file.
 module builtin
 
-__global g_m2_buf byteptr
-__global g_m2_ptr byteptr
+__global (
+	g_m2_buf byteptr
+	g_m2_ptr byteptr
+)
 
 type FnExitCb = fn()
 fn C.atexit(f FnExitCb) int
@@ -125,10 +127,10 @@ pub fn println(s string) {
 	}
 }
 
-__global total_m i64=0
-__global nr_mallocs int=0
-
-fn looo(){} // TODO remove, [ pratt
+__global (
+	total_m    = i64(0)
+	nr_mallocs = int(0)
+)
 
 [unsafe]
 pub fn malloc(n int) byteptr {

vlib/builtin/builtin_windows.c.v

@@ -60,7 +60,7 @@ const (
 )
 
 // g_original_codepage - used to restore the original windows console code page when exiting
-__global g_original_codepage u32=0
+__global ( g_original_codepage = u32(0) )
 // utf8 to stdout needs C.SetConsoleOutputCP(C.CP_UTF8)
 fn C.GetConsoleOutputCP() u32
 fn C.SetConsoleOutputCP(wCodePageID u32) bool

vlib/builtin/string.v

@@ -1070,7 +1070,7 @@ pub fn (s string) ustring() ustring {
 // A hack that allows to create ustring without allocations.
 // It's called from functions like draw_text() where we know that the string is going to be freed
 // right away. Uses global buffer for storing runes []int array.
-__global g_ustring_runes []int
+__global ( g_ustring_runes []int )
 
 pub fn (s string) ustring_tmp() ustring {
 	if g_ustring_runes.len == 0 {