Add a command-line test program.

At the moment it only tests MsiGetFileVersion, because that's the
piece I just found a problem in, but I could easily extend it to have
convenient command-line test rigs for other parts of this setup too.

1 files changed, 1 insertions, 1 deletions

diff --git a/uchars.c b/uchars.c
index 5f09f60..7e7967f 100644
--- a/uchars.c
+++ b/uchars.c
@@ -16,7 +16,7 @@ char *ascii(const char16_t *wstr, bool translate_slashes)
     return ret;
 }
 
-void c16cpy(char16_t *out, uint32_t *outsize, char *s)
+void c16cpy(char16_t *out, uint32_t *outsize, const char *s)
 {
     uint32_t retlen = 0;
     while (retlen < *outsize) {