Fix build when the compiler is not gcc
Fix build when the compiler is not gcc

Fix Makefile.in to always $(CC) instead of gcc, to fix the compilation is made
with a different compiler (eg. when cross-compiling).

Signed-off-by: Victor Dodon <4c3ae33b8eace2001c36c60a5e8908fb2ac72078@gmail.com>

gonzoleeman/open-isns,gonzoleeman/open-isns,gonzoleeman/open-isns