patch 8.2.4363: MS-Windows: running out of memory for a very long line

Problem:    MS-Windows: running out of memory for a very long line.
Solution:   Use a 32 bit value for MAXCOL also when ints are 64 bits.
diff --git a/src/vim.h b/src/vim.h
index 3fea0d9..09303e9 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -1739,7 +1739,9 @@
 # define MAXCOL (0x3fffffffL)		// maximum column number, 30 bits
 # define MAXLNUM (0x3fffffffL)		// maximum (invalid) line number
 #else
-# define MAXCOL  INT_MAX		// maximum column number
+  // MAXCOL used to be INT_MAX, but with 64 bit ints that results in running
+  // out of memory when trying to allocate a very long line.
+# define MAXCOL  0x7fffffffL		// maximum column number
 # define MAXLNUM LONG_MAX		// maximum (invalid) line number
 #endif