SHANGHAI, April 27 (Reuters) - French car maker PSA Peugeot Citroen aims to increase sales in China by nearly 30 percent to 115,000 vehicles this year, a senior executive said on Wednesday. The auto maker posted a 44 percent jump in vehicle sales in the first quarter of 2005 in China, the world's third-largest vehicle market, said executive committee member Robert Peugeot. PSA's sales in China fell 13 percent in 2004 to 90,000 units. It is spending 600 million euros ($780 million) to