Update FALKOExtractor.cpp

src/Feature/FALKOExtractor.cpp

@@ -172,7 +172,7 @@ namespace falkolib {
         oriL /= midIndex;
         oriR /= (size - (midIndex + 1));
         Point2d ori = oriL + oriR;
-        double theta = atan2(ori(1), ori(0));
+        return atan2(ori(1), ori(0));
     }
 
     void FALKOExtractor::NMSKeypoint(const std::vector<int>& scores, const LaserScan& scan, unsigned int ibeg, unsigned int iend, double radius, int minval, std::vector<int>& peaks) {
@@ -328,4 +328,4 @@ namespace falkolib {
         x[1] = (A[0] * b[1] - b[0] * A[2]) / det;
         return true;
     }
-}
\ No newline at end of file
+}