Fix integer overflow in validateVirtualMemorySpace

Addresses a false positive error `Insufficient contigious virtual memory space` when setting memory allocation at 2048-4096MB

Signed-off-by: Duy Tran <40482367+khanhduytran0@users.noreply.github.com>

Author: khanhduytran0

Natives/JavaLauncher.m

@@ -20,7 +20,7 @@
 
 extern char **environ;
 
-BOOL validateVirtualMemorySpace(int size) {
+BOOL validateVirtualMemorySpace(size_t size) {
     size <<= 20; // convert to MB
     void *map = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
     // check if process successfully maps and unmaps a contiguous range