add missing inline for some static const members

Author: alemuntoni

include/vclib/mesh/components/bit_flags.h

@@ -99,7 +99,7 @@ class BitFlags :
     /**
      * @brief Static number of bits that can have custom meanings to the user
      */
-    static const uint USER_BITS_NUMBER = sizeof(FT) * 8 - FIRST_USER_BIT;
+    inline static const uint USER_BITS_NUMBER = sizeof(FT) * 8 - FIRST_USER_BIT;
 
     /* Constructors */
 

include/vclib/mesh/components/polygon_bit_flags.h

@@ -137,7 +137,7 @@ class PolygonBitFlags :
     /**
      * @brief Static number of bits that can have custom meanings to the user
      */
-    static const uint USER_BITS_NUMBER = sizeof(FT) * 8 - FIRST_USER_BIT;
+    inline static const uint USER_BITS_NUMBER = sizeof(FT) * 8 - FIRST_USER_BIT;
 
     /**
      * @brief Static number of bits for each edge that can have custom meanings

include/vclib/mesh/components/triangle_bit_flags.h

@@ -117,7 +117,7 @@ class TriangleBitFlags :
     /**
      * @brief Static number of bits that can have custom meanings to the user
      */
-    static const uint USER_BITS_NUMBER = sizeof(FT) * 8 - FIRST_USER_BIT;
+    inline static const uint USER_BITS_NUMBER = sizeof(FT) * 8 - FIRST_USER_BIT;
 
     /* Constructors */