Re-enable several MSVC warnings

core/fxge/dib/fx_dib_main.cpp

Index: core/fxge/dib/fx_dib_main.cpp
diff --git a/core/fxge/dib/fx_dib_main.cpp b/core/fxge/dib/fx_dib_main.cpp
index 8ce20568df39b1c443980cccdb74728167cb83ed..caa8836f2b28363b5a89789bbc4bed063061553b 100644
--- a/core/fxge/dib/fx_dib_main.cpp
+++ b/core/fxge/dib/fx_dib_main.cpp
@@ -1240,8 +1240,12 @@ FX_BOOL CFX_DIBitmap::ConvertColorScale(FX_DWORD forecolor,
   if (!m_pBuffer || IsAlphaMask()) {
     return FALSE;
   }
-  int fc, fm, fy, fk, bc, bm, by, bk;
-  int fr, fg, fb, br, bg, bb;
+  // Values used for CMYK colors.
+  int fc = 0, fm = 0, fy = 0, fk = 0;

[dsinclair, 2016/03/16 13:23:32]

nit: one per line

[Wei Li, 2016/03/16 17:51:31]

Done.

+  int bc = 0, bm = 0, by = 0, bk = 0;

[Tom Sepez, 2016/03/16 18:34:59]

Stunning lack of duplication between the isCmykImage and !isCmykImage paths. 
I'd suggest splitting this into two helper functions.

[Wei Li, 2016/03/17 02:24:05]

Acknowledged.

+  // Values used for RGB colors.
+  int fr = 0, fg = 0, fb = 0;
+  int br = 0, bg = 0, bb = 0;
   FX_BOOL isCmykImage = IsCmykImage();
   if (isCmykImage) {
     fc = FXSYS_GetCValue(forecolor);