Changed uintptr_t to size_t. WinCE6 doesn't seem it have the definition.

Reviewed-by: Mark J. Cox <mark@awe.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11526)

crypto/dso/dso_win32.c

@@ -567,8 +567,8 @@ static int win32_pathbyaddr(void *addr, char *path, int sz)
 
     /* Enumerate the modules to find one which includes me. */
     do {
-        if ((uintptr_t) addr >= (uintptr_t) me32.modBaseAddr &&
-            (uintptr_t) addr < (uintptr_t) (me32.modBaseAddr + me32.modBaseSize)) {
+        if ((size_t) addr >= (size_t) me32.modBaseAddr &&
+            (size_t) addr < (size_t) (me32.modBaseAddr + me32.modBaseSize)) {
             (*close_snap) (hModuleSnap);
             FreeLibrary(dll);
 # ifdef _WIN32_WCE