More small windows int types fixes.

--HG--
branch : WINDOWSPORT

src/utils/idfile.cpp

@@ -125,7 +125,9 @@ static string idFileInternal(istream& input, const char *fn)
 	// Except for a possible first line with 'From ', lines must
 	// begin with whitespace or have a colon 
 	// (hope no one comes up with a longer header name !
-	if (!isspace(cline[0])) {
+	// Take care to convert to unsigned char because ms ctype does
+	// like negative values
+	if (!isspace((unsigned char)cline[0])) {
 	    char *cp = strchr(cline, ':');
 	    if (cp == 0 || (cp - cline) > 70) {
 		LOGDEB2(("idfile: can't be mail header line: [%s]\n", cline));

src/utils/pathut.cpp

@@ -520,7 +520,7 @@ bool path_isroot(const string& path)
     if (path.size() == 1 && path[0] == '/')
         return true;
 #ifdef _WIN32
-    if (path.size == 3 && isalpha(path[0]) && path[1] == ':' && path[2] == '/')
+    if (path.size() == 3 && isalpha(path[0]) && path[1] == ':' && path[2] == '/')
         return true;
 #endif
     return false;