Fix some Premake warnings

This was SVN commit r7755.

build/premake/src/Src/path.c

@@ -240,7 +240,7 @@ const char* path_getname(const char* path)
 	path_translateInPlace(forpart, "posix");
 
 	ptr = strrchr(forpart, '/');
-	ptr = (ptr != NULL) ? ++ptr : forpart;
+	ptr = (ptr != NULL) ? ptr+1 : forpart;
 	return ptr;
 }
 

build/premake/src/Src/vs.c

@@ -173,7 +173,7 @@ static void tag_attr_open(const char* name)
 	io_print("=\"");
 }
 
-static tag_attr_close()
+static void tag_attr_close()
 {
 	io_print("\"");
 	attrib++;