Get rid of warnings when compiling as C++ with -Wall

Thanks to Noel Carboni for suggesting & providing a proof that it could
be done

1 files changed, 4 insertions, 4 deletions

diff --git a/src/cmspcs.c b/src/cmspcs.c
index 0df8e68..ea70484 100644
--- a/src/cmspcs.c
+++ b/src/cmspcs.c
@@ -656,9 +656,9 @@ cmsFloat64Number CMSEXPORT cmsCIE2000DeltaE(const cmsCIELab* Lab1, const cmsCIEL
 
 // This function returns a number of gridpoints to be used as LUT table. It assumes same number
 // of gripdpoints in all dimensions. Flags may override the choice.
-int _cmsReasonableGridpointsByColorspace(cmsColorSpaceSignature Colorspace, cmsUInt32Number dwFlags)
+cmsUInt32Number _cmsReasonableGridpointsByColorspace(cmsColorSpaceSignature Colorspace, cmsUInt32Number dwFlags)
 {
-    int nChannels;
+    cmsUInt32Number nChannels;
 
     // Already specified?
     if (dwFlags & 0x00FF0000) {
@@ -802,7 +802,7 @@ cmsColorSpaceSignature CMSEXPORT _cmsICCcolorSpace(int OurNotation)
        case PT_MCH14: return cmsSigMCHEData;
        case PT_MCH15: return cmsSigMCHFData;
 
-       default:  return (cmsColorSpaceSignature) (-1);
+       default:  return (cmsColorSpaceSignature) 0;
        }
 }
 
@@ -869,7 +869,7 @@ int CMSEXPORT _cmsLCMScolorSpace(cmsColorSpaceSignature ProfileSpace)
     case cmsSigMCHFData:
     case cmsSig15colorData:return PT_MCH15;
 
-    default:  return (cmsColorSpaceSignature) (-1);
+    default:  return (cmsColorSpaceSignature) 0;
     }
 }