Fix unitialized value in the test suite.
Fix unitialized value in the test suite.

* test/CuTest.c
  (CuAssertStrnEquals_LineMsg): Check for expected length == 0 first, the
       actual data pointer is not necessarily initialized in that case.

zhengcq315/serf,zhengcq315/serf,stoneCC/serf,SirJson/serf,soufianeEL/serf,SirJson/serf,google-code-export/serf,pengdu/serf,yesoce/serf,google-code-export/serf,google-code-export/serf,SirJson/serf,stoneCC/serf,lazysoez/serf,pengdu/serf,stoneCC/serf,soufianeEL/serf,KyleSanderson/serf,KyleSanderson/serf,x-clone/serf,x-clone/serf,alex1818/serf,lazysoez/serf,google-code-export/serf,zhengcq315/serf,yesoce/serf,pengdu/serf,SirJson/serf,zhupan/serf,KyleSanderson/serf,x-clone/serf,zhupan/serf,alex1818/serf,x-clone/serf,zhengcq315/serf,soufianeEL/serf,yesoce/serf,soufianeEL/serf,KyleSanderson/serf,alex1818/serf,lazysoez/serf,pengdu/serf,stoneCC/serf,zhupan/serf,zhupan/serf,lazysoez/serf,yesoce/serf,alex1818/serf