forms: expand DECLARE_DEFAULT_DTOR

Change-Id: I52b091402ec23f9c5eb87ae2212cc5b4986c6435
forms: expand DECLARE_XCLONEABLE

Change-Id: I2a468e40489797e33935b79a27459ab408558124
WaE: warning C4101: 'ex' : unreferenced local variable

Change-Id: Ib8b71b50fe52a7cc4e261626549ac3e067851797
WaE: warning C4305: 'argument' : truncation from 'double' to 'GLfloat'

Change-Id: I8afe523cfe1be28bc5427c5e5852bea0be2aaea3
WaE: warning C4101: 'e' : unreferenced local variable

Change-Id: Ib5aa5f401eabedfdaebea1dea8f48f284dbccdd5