Fix loads of indentation issues with mixing spaces and tabs

core/os/os.odin

@@ -111,7 +111,7 @@ read_entire_file_from_handle :: proc(fd: Handle, allocator := context.allocator,
 	length: i64
 	err: Errno
 	if length, err = file_size(fd); err != 0 {
-	    return nil, false
+		return nil, false
 	}
 
 	if length <= 0 {
@@ -120,7 +120,7 @@ read_entire_file_from_handle :: proc(fd: Handle, allocator := context.allocator,
 
 	data = make([]byte, int(length), allocator, loc)
 	if data == nil {
-	    return nil, false
+		return nil, false
 	}
 
 	bytes_read, read_err := read_full(fd, data)

core/os/os_darwin.odin

@@ -896,7 +896,7 @@ access :: proc(path: string, mask: int) -> bool {
 }
 
 flush :: proc(fd: Handle) -> Errno {
-    return cast(Errno)_unix_fsync(fd)
+	return cast(Errno)_unix_fsync(fd)
 }
 
 lookup_env :: proc(key: string, allocator := context.allocator) -> (value: string, found: bool) {

core/os/os_windows.odin

@@ -178,8 +178,8 @@ WINDOWS_11_BUILD_CUTOFF :: 22_000
 get_windows_version_w :: proc() -> win32.OSVERSIONINFOEXW {
 	osvi : win32.OSVERSIONINFOEXW
 	osvi.dwOSVersionInfoSize = size_of(win32.OSVERSIONINFOEXW)
-    win32.RtlGetVersion(&osvi)
-    return osvi
+	win32.RtlGetVersion(&osvi)
+	return osvi
 }
 
 is_windows_xp :: proc() -> bool {