!32 libevhtp:generate debug info

From: @liuxu180400617 
Reviewed-by: @duguhaotian, @xuxuepeng 
Signed-off-by: @xuxuepeng

libevhtp.spec

@@ -1,5 +1,3 @@
-%global debug_package %{nil}
-
 Name:     	libevhtp
 Version:  	1.2.18
 Release:  	6
@@ -48,7 +46,6 @@ cd build
 
 %delete_la_and_a
 find %{buildroot} -name '*.cmake' -exec rm -f {} ';'
-find %{buildroot} -name '*.so.*' -exec strip {} ';'
 
 %ldconfig_scriptlets