win32: rename is_absolute_path()

As the comment pointed out is_absolute_path() was misnamed.  Rename
it to is_relative_path() and change the sense of all tests.

1 files changed, 1 insertions, 1 deletions

diff --git a/include/mingw.h b/include/mingw.h
index 74a65116c..6ace91470 100644
--- a/include/mingw.h
+++ b/include/mingw.h
@@ -579,4 +579,4 @@ void make_sparse(int fd, off_t start, off_t end);
 int skip_ansi_emulation(int reset);
 int unix_path(const char *path);
 int has_path(const char *file);
-int is_absolute_path(const char *path);
+int is_relative_path(const char *path);