file patterns in Doxygen.in reviewed

Doxyfile.in

@@ -786,15 +786,8 @@ INPUT_ENCODING         = UTF-8
 # *.md, *.mm, *.dox, *.py, *.f90, *.f, *.for, *.tcl, *.vhd, *.vhdl, *.ucf,
 # *.qsf, *.as and *.js.
 
-FILE_PATTERNS          = *.c \
-                         *.cpp \
-                         *.cc \
-                         *.h \
-                         *.hh \
-                         *.H \
-                         *.f90 \
-                         *.hpp
-
+FILE_PATTERNS          = *.c* \
+                         *.h*
 
 # The RECURSIVE tag can be used to specify whether or not subdirectories should
 # be searched for input files as well.