ignoring dynamic link library in MacOS X

*.dylib is an extension for dynamic link library in MacOS X.

C++.gitignore

@@ -5,6 +5,7 @@
 
 # Compiled Dynamic libraries
 *.so
+*.dylib
 
 # Compiled Static libraries
 *.lai

C.gitignore

@@ -7,6 +7,7 @@
 # Shared objects (inc. Windows DLLs)
 *.dll
 *.so
+*.dylib
 
 # Executables
 *.exe