[pangomm] NMake Makefiles: Fix build instruction info display

[Chun-wei Fan <fanchunwei src gnome org>]

commit 4ddb4022cea535ddc1735ad234bc972bc48a28b0
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Mon Mar 30 13:16:32 2020 +0800

    NMake Makefiles: Fix build instruction info display
    
    Make up the missing escape carats...

 MSVC_NMake/info-msvc.mak | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/MSVC_NMake/info-msvc.mak b/MSVC_NMake/info-msvc.mak
index 3d703a6..54c4a3c 100644
--- a/MSVC_NMake/info-msvc.mak
+++ b/MSVC_NMake/info-msvc.mak
@@ -12,7 +12,7 @@ help:
        @echo ============================
        @echo Building pangomm Using NMake
        @echo ============================
-       @echo nmake /f Makefile.vc CFG=[release^|debug] ^<PREFIX=PATH^> <option1=xxx option2=xxx>
+       @echo nmake /f Makefile.vc CFG=[release^|debug] ^<PREFIX=PATH^> ^<option1=xxx option2=xxx^>
        @echo.
        @echo Where:
        @echo ------