File gnucash-libm.patch of Package gnucash

--- gnucash-4.1/libgnucash/app-utils/CMakeLists.txt.orig	2020-08-02 23:12:50.335306666 +0200
+++ gnucash-4.1/libgnucash/app-utils/CMakeLists.txt	2020-08-02 23:13:12.071450498 +0200
@@ -88,6 +88,7 @@ set(app_utils_ALL_LIBRARIES
     ${LIBXML2_LDFLAGS}
     ${LIBXSLT_LDFLAGS}
     ${STANDARD_MATH_LIBRARY}
+    -lm
 )
 
 set(app_utils_ALL_INCLUDES